yashsingh1/xdaforums huggingface dataset:
[General Questions and Answers] nicepants42:
3.7v doesn't seem to work, even though the battery I'm trying to emulate has only 2 wires.

I have a Moto E 2nd gen model # 1526. The battery is 'non-replaceable' and there are only two wires emerging from the battery that connect to the phone. I can't post links, but if you google XT1526 battery you should see what the thing looks like. Anyway, because there are only two wires connected to the phone, I was under the assumption that simply applying ~3.8v across those two wires (with sufficient amperage) would allow the phone to work. Short answer, it doesn't, and I don't know why or what to do. Long answer:

I purchased a meanwell 150W PSU capable of supplying ~3.2 to 4.2V and controlled by potentiometer. Using this PSU, a breadboard, voltmeter and connectors, I tried operating the phone by supplying ~3.7 through ~4.2V directly into the battery connector, with no luck. I did notice a short voltage drop when trying to power on the phone. The screen would light up briefly (nothing displayed) and then shut off.

Next step, I disassembled the top of the battery and found a small, thin PCB. This board is wired directly to the battery outputs, and has a couple of surface mount things soldered onto it, and also has the two tiny output wires and battery connector that connects to the phone. I then tried wiring the Meanwell PSU to this board where the battery outputs connect, and then connected the battery connector to the phone, and applied the same range of voltage. Still no dice.

So it doesn't appear to be as simple as voltage/current, but I'm not sure what else to try. I have a test PSU from a computer than can supply 5v, 7v, 12v, but those don't seem likely to work, because that would mean that the tiny PCB in the battery is a voltage rectifier, and if that were the case, it seems to me that it would overheat.

Any ideas/suggestions?
[General Questions and Answers] eGuru_new:
If the Meanwell power supply has a current limit adjustment, that may be the cause of the voltage dip on bootup.

Adjust the supply to 4.2V without a load connected and then raise the current limit until you don't see any voltage droop.

Do this without any battery in the phone

btw - What is the model number of the PSU?
[General Questions and Answers] nicepants42:
PSU Model: HSP-150-3.8

I glanced at it again yesterday and if there is a current limit adjustment, it isn't obvious. Was thinking 3.8v +/- with 30 amps available should be plenty when I bought it.
[General Questions and Answers] zeroFILL:
I have an old LG Optimus G (code F180K) and already made it turn on without the battery. I take out the PCB of battery, connect power 5VDC-2A to PCB and plug it back into the phone. It can turn on and run normaly. I just notice it warmer a bit than usual, but if I decrease voltage or use 1A adapter it cannot boot or just blink the screen then off.

My issue is, phone treats the PCB like a real battery! The battery remaining percent is also countdown to zero and then the phone is off. I cannot use it continuously (I want to use the phone as a nightstand clock).

So is there any trick or program to "freeze" battery percent, or reset battery percent frequently? Please help!

Sorry for my English!
[General Questions and Answers] thra1982:
Anyone tried with a LG G3 D855?

[youtube]bOzwYcNtSFI[/youtube]

It's done with a LG G4 and a quick charger.

I've tried the same procedure on a LG G3, but without luck. Though it wasn't a quick charger, I have tried several chargers. Would that make a difference?
[General Questions and Answers] supermaxkato:
[MENTION=1666839]zeroFILL[/MENTION] Here's how to fix the battery percentage going down:

-You have to be rooted

-Use the terminal emulator app

-Type SU (switches from $ to #)

-Type this command to keep the phone at 100%

dumpsys battery set level 100

-Type this command to tell the phone that the charger is plugged in

dumpsys battery set usb 1

Everytime you reboot it reverts to stock settings. So I use a tasker script that runs the above commands on every boot.

I've only tested all of this on an htc desire 510 running 4.4 so these may or may not work on your device.

---------- Post added at 12:41 AM ---------- Previous post was at 12:37 AM ----------

What I'd really like to know is if anyone knows how to still use the USB port to power the phone (instead of hard-wiring to the battery terminals)? There has to be a combination of jumpers, or a resistor to mimic a fake battery, so that we can still use a standard cable and the normal phone connector. Anyone have any ideas?

(Right now I have it working but I had to drill a hole through my back cover and splice a micro usb cable, so I'm hoping for a cleaner method).
[General Questions and Answers] zeroFILL:
I tried those commands but they didn't work. Theres nothing happened. My phone is LG F180 running Android 4.1, rooted. Thanks for your reply! :)
[General Questions and Answers] SnowFuhrer:
There should be some way to do it with some software. My phone (LG k4 k121) will just power off if I pop the battery out. One time when it froze though, I pulled out the battery and it stayed on. I would like to find a way to run with just the usb cord.
[General Questions and Answers] Equals1anon:
Ok here's the solution.

Some phones have a 3 pin power system. Usually the older ones. Most newer phones have a 4 pin power system. Remove battery. Look at the battery to determine the pos and neg pin sides. Get a small piece of wire. Connect the pos and neg pin together where the battery connects. Plug In phone. And wallah... your welcome.
[General Questions and Answers] SnowFuhrer:
The phone would detect that and not work. Besides, to put a wire between the two would create a short and could fry something. But you could always try. Just don't Blame me if it doesn't work.
[General Questions and Answers] speedee12:
Did you ever sort this out? I am looking to do the same thing on the same phone shortly. I previously did this on a few galaxy s2 and those were simple 2 wire removable battery replacements. This will be different being internal and only having 2 wire from the factory.
[General Questions and Answers] nicepants42:
Sorry, I never got it working. If you do, please do share.
[General Questions and Answers] Samcomeau:
I sort of know.

So some phones work without the battery on just the charger, but not many. What you have got to do is connect 3.7-4.2 to the battery terminals. This works for some phones, confirmed on original galaxy s. All phones have a battery management system (the middle 1-2 pins). Some phones refuse to start without a proper BMS signal. This may vary between phones and manufacturers. It may be as simple as connecting a resistor to ground. I'm going to try this right now and get back to you.

3.7-4.2V to pins, no other action(confirmed) :

Galaxy S, Samsung moment (seems to work well with three terminal devices)
[General Questions and Answers] Samcomeau:
You may have already tried this, but modern smartphones use over an amp of current on startup. Have you tried cranking up the current limit? 1.5A should be enough, assuming no battery to draw current. It seems very unlikely (but possible) that the battery is communicating via the power pins. That PCB you saw was the battery protection circuit. Every single lipo has one to prevent it catching on fire. If you hooked up to the battery output at 3.7-4.2V it should have no way of knowing your PSU is not a battery. Either you don't have the current or something is broken.
[General Questions and Answers] Vipindasu:
Samsung phone switch on only while external power is given

For accomplishing this task,

1) Download the "Auto Boot On Power" app from packagedisabler.com website to your phone.

2) Install the app.

This is a great service from packagedisabler team which allows android users to enjoy this amazing feature which was earlier

available only to the iphone users.

Use case: In showrooms and exhibitions, all the devices can be switched on and shut down easily.

[IMG="Samsung phone switch on only while external power is given"]https://cdn.shopify.com/s/files/1/1590/0775/products/output_wbSCk7_1000x1500.gif?v=1533887038[/IMG]
[General Questions and Answers] zeroFILL:
Thank you so much for sharing! But I wonder if there's a solution to fix the battery's percentage instead, so the phone won't turn off. Any ideas?
[General Questions and Answers] eGuru_new:
Does the "Auto Boot On Power" app work with non-Samsung devices?

Does it work with tablets?

Is it only useful when charging through the micro-USB port or does it work when the device has a dedicated charging jack?
[General Questions and Answers] kgbme:
Just btw., how difficult would it be to have the battery /hardware recognize when charge capacity is at 100% and have it switch-over to a mechanism that powers the device directly.

Likewise, such a system should allow for a mobile device to function normally w/o a battery, as there are decades-old laptop computers which can do the same.. I don't get it, whatever. :/

Same as with having: universal 1) batteries and /or 2) print cartridges (refillable, as well, ofc.)

By now, we would have: 1) absolutely amazing (!), brilliant battery technology, if it weren't proprietary and 3rd-parties were able to manufacture batteries for all sorts of devices and be able to invest profits into r&d and 2) probably, world-wide pollution numbers could decrease by (some crazy amount, like) 1% if all, those, obsolete cartridges weren't being discarded.

Not meaning to mix apples and oranges, but the cause and effect is completely the same: a) greed and b) failure, blah! :f
[General Questions and Answers] coolpixs4:
Modifying Android Phone To Run Without a Battery https://dovydas.xyz/android/electro...g-android-phone-to-run-without-a-battery.html

[IMG="dummy battery"]https://dovydas.xyz/assets/img/sk-module.jpg[/IMG]

R_1 = 12k Ω, 0.25 W Resistor
D_1 = FUF5408, High Power Diode

[NFC] -- Not used
[-] -- Negative (-) power rail duh
[S] -- Thermal resistor pin, originaly thermal resistor is built into the battery.
[+] -- (+) ?

[IMG="SS"]https://dovydas.xyz/assets/img/sk-product.jpg[/IMG]
[General Questions and Answers] Gegga:
Thank you! For anyone coming here looking for this solution I can confirm it works very well (model Sony E4G). I connect USB power to where battery power was, but have gone the more complicated way of powering with separate psu @ 4,3 Volt. Can confirm that the phone thinks it's charged and stays at 100% without reducing clock frequency. Without the extra wire between usb connector and battery/ power in the battery percentage reduced to 1% and clocks reduced to 936 MHz.

A prettier solution would have been to power with USB port which should work with the bridge between usb power and battery power. Beware that I only tested with 4,3 - 4,4 volt.

update 2020-12-23: Sadly this solution has stopped working, no idea why.
[General Questions and Answers] aflopes7:
I wonder if any Kernel tweak on power supply device drivers (kernel/drivers/power/supply/'vendor-specific') would make it possible.
[Sony Ericsson Xperia Neo, Pro] martirio3000:
Hello i recently bricked my xperia neo v.

I was rooted.

I did a change in build.prop something about deep sleep and it is stuck at boot loop

it says sony and the the screen goes dark then sony again and again and again the same.

I have the ics 4.0.3 wich i got thought seus.

Please help me fix it.

I am desperated...

i have no backup

seus doent work at all

if i dont find a solution i will try to send it back for a replacement.

Will they understand that the mobile is rooted?

i want to use as an excuse that i updated to android ics 4.0.3 thought sony erricon tools and it now is stuck at boot loop.

Is it a good enought excuse?

Thanx guys in advance
[Sony Ericsson Xperia Neo, Pro] darky22:
just use flashtool and reflash ics ... heppened with me too
[Sony Ericsson Xperia Neo, Pro] martirio3000:
I am newbie can you help me please?

How do i get flashtool

How do i flash ? a link to a guide or something.

I dont know a lot about android.
[Sony Ericsson Xperia Neo, Pro] darky22:
flashtool from here : http://www.mediafire.com/?p65m2hqq0t5cls3

ftf file for ics from here : http://www.mediafire.com/?o4v5ttaqsjhv3aq

hit thanks if i was of any help
[Sony Ericsson Xperia Neo, Pro] martirio3000:
Well thanx for your help i would like to know before i flash my mobile device

i would like to know if it is possible to install this custom rom

http://xdaforums.com/showthread.php?t=1514050

will there be a problem with the kernels and things such as these i had my mobile updated with seus to the latest version before it got bricked.

Also i have locked bootloader...

if it isnt possible for this rom can you suggest an other one?

i prefer gingerbread rather than ics because of battery drain.
[Sony Ericsson Xperia Neo, Pro] darky22:
Its for unlocked bootloader
[Sony Ericsson Xperia Neo, Pro] Rockways:
Officially Unlocked Bootloader

I don't want to unlock my bootloader the unofficial way.. I am not exactly Mr. Safe Hands so I am afraid I'll mess it up.

But I want to Unlock my bootloader officially. Because I know we can relock it later.

Whenever I soft brick my phone, I use Sony Update Service to fix it. But I am aware I can't do that if I unlock my bootloader the official way.

So how do I fix a soft brick after I unlock my bootloader the official way?

I would bow down with gratitude if someone could please share a step by step method :) :) :)

Thank You :)
[Sony Ericsson Xperia Neo, Pro] martirio3000:
Hey this is a dead thread (by me :) )

But hey dude

dont think that seus will help you always in my situation it didnt.

I used flash tool to unbrick.(from soft brick)

Also if you rellock with oficial method it will be in re-locked state and not Locked

you wont be able to recover because some keys will be lost...

anyway i dont reccomend unlocking anyway.
[Sony Ericsson Xperia Neo, Pro] Rockways:
I've already unlocked! And I changed my kernel.

But I figured it out! Using flashtool.. I can fix a soft brick even if my bootloader is unlocked. I didn't like SUS much anyway.. I have a very slow net connection and, therefore, absolutely hate to watch the files download.

Flashtool is awesome!
[Sony Ericsson Xperia Neo, Pro] nikhilsimha:
Can any one help me in un bricking my neo v

:crying: recently i had bricked my neo-v

i used flashtools to root my phone to sont xperia viber v 2.1 {from XDA}

but when i had unzipped and every thing and rebooted my phone it just starts and shows me sony and get stucks over there ......................

please please please can anyone help me to get my phone back into narmal condition .....

i had used

* flashtools 0.9

* DooMLoRD_v1_Xperia-2011-ICS-ROOT-emu-busybox-su (1)

* MT11i_4.1.B.0.431_kernel.ftf

* MT11i_4.1.A.0.562_kernel.ftf

* adb drivers
[Sony Ericsson Xperia Neo, Pro] Samak:
Do u have nandroid backup?? Did u unlocked bootloader?? If not then reflash stock rom using flashtool with full wipe
[Sony Ericsson Xperia Neo, Pro] nvalakunde:
Help for unbrick device

i have bricked my device

so can any one tell me how to unbrick
[Sony Ericsson Xperia Neo, Pro] Samak:
Just flash stock firmware ftf file using flashtool with full wipe..
[Sony Ericsson Xperia Neo, Pro] brad182:
xperia neo v boot loop

hi

my neo v went into a boot loop where only the sony ericsson logo who appers .

i think i have no rom cuz i wiped a lot of things (oups)

so can u please help me to use flashtool to return from the boot loop and to update my neo v to ics or jelly been .

thanks

ps: which is better jelly been or ics or gingerbread .

thanks again
[Sony Ericsson Xperia Neo, Pro] vishal_android freak:
You can just put any ics or jb or gb rom depending upon your present kernel and flash it from recovery.. Your phone will be fine
[Sony Ericsson Xperia Neo, Pro] brad182:
thank you very much for your answer ; but i am just a beginner . so can u please direct me or suggeste to me some instruction to use flashtool and update my mobile .

thanks again
[Sony Ericsson Xperia Neo, Pro] Attitude.SSJ:
Flashtool guide: http://xdaforums.com/showthread.php?p=10879507
[Sony Ericsson Xperia Neo, Pro] brad182:
thank u my freind for ur answr but i cant go to cwm recovery and i do have a locked bootloader and i don t want to unlock it so can u help me ?

ps if necessery i would unlock my bootloader
[Sony Ericsson Xperia Neo, Pro] Attitude.SSJ:
Instead of spamming everywhere flash stock ftf using flashtool...
[Sony Ericsson Xperia Neo, Pro] brad182:
isn't ther any way to fix my phone whitout unlocking the bootloader
[Sony Ericsson Xperia Neo, Pro] Attitude.SSJ:
Arreh don't unlock bootloader... Just flash stock ftf through flashtool... It doesn't need unlocked bootloader...
[Sony Ericsson Xperia Neo, Pro] Ghostfreak NB:
Seems he is not getting your point.. :p

Anyways to add to Attitude, mate, follow the process of flashing a firmware. That'll unbrick your phone.
[Sony Ericsson Xperia Neo, Pro] brad182:
thanks very much
[Kindle Fire Q&A, Help & Troubleshooting] xXezmacXx:
I was on the Hellfire ROM, flashed the Energy ICS CM9 3.0 ROM. I figured why not try updating to firefirefire 1.4A and TWRP 2.1.1 just to have everything new. Something went wrong during all this but I dont know what, so I used Kindle Fire Utiility to go back to TWRP 2.0. I also used the Utility to flash firefirefire, I'm guessing it's the older version? Anyways here are some issues I'm experiencing.

- The only way to get my KF to turn on is by plugging it into my PC using a USB cord or plugging it into the wall. If I remove it from the wall or my PC it will not turn on even though recovery said my battery was full. Is this Kindle issue or ROM issue? Also, when I plug the KF into my PC it goes into recovery, cant seem to get it to boot up. If I plug it into the wall it'll boot up into the Energy ROM? Is there a way to start fresh, remove twrp, firefirefire, everything?

- As soon I plug my KF into my PC it turns on but I get this splash screen with the KindleFire logo and also a green Android logo right above it. I've never seen this screen before? This screen comes on for a quick second, my KF reboots, the same screen comes up again but this time the power button is orange. My old screen just use to be a yellow triangle saying "press power button for recovery". Now I don't have that screen anymore? Just confused on whats going on?
[Kindle Fire Q&A, Help & Troubleshooting] soupmagnet:
It amazes me how many people are willing to install things on their devices knowing nothing about them.

The first thing you need to do is read this: http://xdaforums.com/showthread.php?p=23747567 Read the whole thing and don't skip a single line. It'll save you a lot of time and energy in the future.

Then Google search "Kindle Fire software update", it's on the Amazon website.

Download the file to your computer and change the file extension from ".bin" to ".zip"

Push it to your sdcard using adb or in twrp by mounting your sdcard

Flash the update.zip in twrp

Reboot

Start all over again with a new found knowledge of how the Kindle Fire works.
[Galaxy S II Q&A, Help & Troubleshooting] alexkno:
Dears,

Dud anybody get Facebook sns to work on aokp milestone?

I like how the birthdays are integrated into the calendar. Tried 3rd party apps like a calendar, ebo, friend caster and haxsync but none was really good and some birthdays were missing, also syncing the fb calendar to Google is not good as then the contacts from address book are shown twice.

Sent from the best phone using Tapatalk
[General Questions and Answers] Pandamonium988:
hey...im wondering what Im doing wrong.....I recently rooted my Sprint Galaxy S2 (EL29 and was running the most recent Blazer ROm and decided to try out the Senzation V2.3 ROM..I went throught the usual steps CWM, format system, full wipe, install zip..but for some reeason my phone locks up at the first bootloader image where it says Samsung Galaxy S II in white...I restored my phone once already and tried again but to no avail...could anyone inform me what could be casuig my phone to freeze at this screen...thanks in advance
[General Questions and Answers] xcrazydx:
Bad download? Did you check it?
[General Questions and Answers] Pandamonium988:
it seemed to save in my GS2 ROMs folder on my desktop just fine..:/

how would I be able to check and see if the download was bad or not?..
[General Questions and Answers] ronisize:
maybe the source gave you a md5 checksum. go and check if this numbers are the same as the ones of your downloaded one...

btw this is always a good thing to do for preventing bricks... (especially when flashing radios ...)

---------- Post added at 09:43 AM ---------- Previous post was at 09:36 AM ----------

i am on osx and i use the terminal: md5 filename.ext

on windows you can use tools like fastsum dot com. just google for it
[General Questions and Answers] Pandamonium988:
yea when it was flashing I spotted a line that appear with that checksum phrase in it....

EDIT: I ran a checksum on it but Im still not clear on whether the download was bad or not..:/
[General Questions and Answers] ronisize:
ok, and was it the same as the source said it should be?

again, best advise is to compare the md5 sums before flashing anything on your device. sometimes you get errors while downloading files from the internet. so you can be safe that your downloaded files are not corrupt.

so you are hanging before you can access CWM or after flashing and first bootup?
[General Questions and Answers] Pandamonium988:
after flashing on the first bootup...it just stalls right there..but then i restore, flash Blazer again, and everything works fine

Edit: does the fact that this was based on EK02 make it non compatible with my EL29?
[General Questions and Answers] ronisize:
ok... tried redownloading it?

really did a full wipe and cleared dalvik?

maybe you find the answer in the roms original thread?
[Galaxy Note GT-N7000 Q&A, Help & Troubleshooting] extrememonkey:
Hey Guys and Gals,

Just bought a Note, will be arriving in the next couple of hours.

Just a couple of questions -

Im coming from a GSII that has been running a custom ICS rom and really really love the features ICS brings and how it looks. I would like to run ICS on my Note from the word go as I feel going back to GB would taint my experience.

(Q) Am I correct in assuming that if I flash a custom ICS rom on my Note that I wont be able to use the S Pen features???

If im correct with the first question, then I will not flash a ICS rom immediately as I want to experience the S Pen and all its features to see if its for me. But I will want to Root it.

(Q) If I root my device will I still be able to update to the official ICS (When released) via a Update Notification or will I have to flash in a differant way???

Thanks in advance, and I look forward to becoming a part of the XDA Galaxy Note Community....

Martin
[Galaxy Note GT-N7000 Q&A, Help & Troubleshooting] krazman325:
Read this before you do anything!

http://xdaforums.com/showthread.php?t=1633938
[Galaxy Note GT-N7000 Q&A, Help & Troubleshooting] GEX THE GECKO:
Lucky you :) Im selling my gs2 to buy the note hope its gunna be worth it, make sure you read the post above mine as there is a lot of people who have bricked there notes with ics leaks. if i was you i would stick with Gingerbread untill you have had it a while.

Enjoy your note :)
[Galaxy Note GT-N7000 Q&A, Help & Troubleshooting] devil3062:
you are quite right my friend, the GB on note for now is perfectly fine if wanna try out the new features.. even i recently upgraded from s2 running ics and to be honestly the first day i was missing ICS badly but gb on note is different than when i first got s2 year back.. i am just waiting for the premium suite from samsung with specific new features for note and havent really been keen to try the cooked ics roms since i am more than satisfied having the note for over 2 weeks.. but eventually its what you want to do with your device that is the freedom of android but do give the forums a read as upgrading to ics has given many new users problems.. otherwise just root your LC1 ++ 2.3.6 rom and fall in love with note all over again.. :) enjoy your new phone and dont forget to get screen protector and some sexy cases :p cheers