yashsingh1/xdaforums huggingface dataset:
[Galaxy Tab Q&A, Help & Troubleshooting] lambstone:
perhaps one of your apps? try installing them a few at a time to see which app is causing it
[Galaxy Tab Q&A, Help & Troubleshooting] Deadbeef:
I also think it's a software problem, after the problem disappeared with the factory reset.

I'm going to check slowly which program is the culprit.

I just can't imagine that a program can stress the TAB so hard it realy drains the battery.

I think it could probably be a misguidance of the android OS from a wrong setting?
[Galaxy Tab Q&A, Help & Troubleshooting] MasterRy88:
I had a similar problem but not nearly as bad as yours. I had my tab unplugged for a while and checked the batter: 30%. So that was fine so I opened up dolphin and INSTANTLY the screen went really dim and said I had less than 3% battery which I did not believe.

Turning the tab off and back on the battery was now at 27%. This only happened that one time and I havent seen it agian. Must be some weird battery level reading bug.....
[Galaxy Tab Q&A, Help & Troubleshooting] morkman:
I have the same situation and also make a backup and factory reset amd later a restore.

That was 2 months ago and until now it works like a charme.
[Galaxy Tab Q&A, Help & Troubleshooting] Dann:
Power off g tab drain the batt

I have my Galaxy Tab for about 3 days ago. Charge to 100% the battery, and then, I decide power off (totally) the Tab. Hold power button, and in the pop-up window, power off the phone!!

After a 1 hour, I saw the screen message with the android icon "POWER RESET or UPLOAD MODE"....and drain totally the battery!!!

What can I do???

See the attached image.......please help me!!
[Galaxy Tab Q&A, Help & Troubleshooting] knightnz:
Only 2 things are likely to cause this, the battery being stuffed, or the battery stats database getting corrupted. You could try the "bump charge" method and see if it resets it. (Charge fully while on from AC, unplug, turn it off, charge for an hour or so from AC, unplug, turn it on, turn it off again once booted, charge for another hour or so, unplug, turn it on).

The battery stats can be wiped from the CWM recovery if you wanted to flash that, I'm not sure where the file lives to do it manually.
[Galaxy Tab Q&A, Help & Troubleshooting] henrylam:
Hi, just like to share my experience with you guys. I encountered the same problem as mentioned, especially the sudden request to shut down due to battery becoming 3%, although it has 50% left. I tried recharging a few times but the same thing happens, something, it will shut down at 30% battery power level. Then, one afternoon, while I was looking at my pictures (at Gallery), I saw duplication of my photos (3 times) that appeared on my gallery folder. But the key issue is I stored all these pictures (taken by camera or by transfer from PC) in the microSD card (8GB). I tried to do a deletion on the addition pictures (it showed 3, so I tried to delete 2). But to no avail, and the system keep processing even though I tried stopping it. After about 2 minutes, the promot came up, requesting me to do a shut down saying the battery level was low, although I have about 50% battery power left. So, I shut down the tab immediately and removed the microSD card. After that, I switched on the tab and it says 50% power left. But I have to make sure it is possible to utilize the tab until it drains out the battery. Finally, I managed to cross the 20% power level and the tab can still be used :).

I was curious about my microSD card, thinking that it may be faulty. I used a pc to open up the content and I discovered the SD card has no problem at all, it didn't have duplication when viewed from the pc. For your information, I have installed "angry bird" onto the 8GB microSD card, I am not sure if it is causing any problem to the tab or draining power from it, because the download (from Goggle market) mentioned something about "preventing phone from sleeping - System tools". I am not sure how this is link to the duplication of the pictures in the gallery folder as well, but I am glad I have found the fault to the draining of the power by the tab.

I would suggest, before anyone proceed with the factory reset, do a check on your storage card or the apps that you have installed in your tab, try to solve the simple way and it can save us a lot of troubles :).

I hope it helps............

Henry Lam
[Galaxy Tab Q&A, Help & Troubleshooting] Beards:
As knightnz mentions ~ It's the Battery Stats Database being corrupt.

To repair, simply:-

Connect the Tab to it's Charging Cable and ensure the Tab is switched Off.

Next, hold the Power On Button whilst at the same time touch and hold the screen.

You will notice the battery indicator will pop up.

The Tablet will now reboot.

Everything should now return back to normal.

This procedure can also be used for a Tab that refuses to switch on.
[Galaxy Tab Q&A, Help & Troubleshooting] shinji21:
Should I do this when the tab is off? or when it is on?

I actually tried both, but I dont see "the battery indicator pop up" as mentioned.
[Galaxy Tab Q&A, Help & Troubleshooting] Beards:
Actually, I missed out an important ingredient ~ The Power Cable.

You need to have the Tab connected to your charging cable as if you were charging the Tab and the Tab switched Off.

Next, hold the Power On Button whilst at the same time touch and hold the screen.

Next you will notice the battery indicator will pop up.

The Tablet will now reboot.

Everything should now return back to normal.

I'll amend my previous instructions to include the Power Cable.
[Galaxy Tab Q&A, Help & Troubleshooting] loonyt:
This is not working for me. The battery indicator pops up, but nothing else happens. The battery indicator even does not do any animations.
[Galaxy Tab Q&A, Help & Troubleshooting] henrylam:
Hi Beards,

Sorry to ask again, is there any way to verify that it has been solved without really draining the power to 0%? Is there any clear indication?

Thanks.

Henry
[Galaxy Tab Q&A, Help & Troubleshooting] Beards:
The trick is in holding the screen whilst powering up.... It bypasses the normal start-up routines, resetting any errors that would sometimes require a Factory Reset to correct.

This info was passed on to me by a Samsung representative.
[Galaxy Tab Q&A, Help & Troubleshooting] TheChampJT:
Easy fix, get a replacement, thts bad hardware, shouldn't have a problem exchanging, assuming it was purchased thru an auth retailer. No sense in messing with software and having a headache over it.
[Galaxy Tab Q&A, Help & Troubleshooting] henrylam:
Seriously, the press screen thing doesn't work at all. Eventually, I brought it to the service center to do a firmware upgrade and it is back to normal...............

New upgrade:

Baseband version: P1000DXJM2

Kernel version: 2.6.32.9 root@SE-5604#1

Build number: FROYO.DXJM4

The funny thing is my wife has a unit that was using the same version as mine (old version, we bought them at the same authorised dealer), but she did not encounter such problem. I am just puzzled.
[Galaxy Tab Q&A, Help & Troubleshooting] shinji21:
It did not work for me either. Is the charging cable supposed to be plugged in to the power socket or just the cable? (I tried both and neither worked)

I also did a firmware upgrade with Roto JMIv2. And I still see the problem.......Anyone having any suggestions please?
[Galaxy Tab Q&A, Help & Troubleshooting] Cyborgz:
If your GALAXY Tab is running from fully charged to flat in under 20 minutes I wouldn't recommend anything other then... Sending it back to where you go it from?!
[Galaxy Tab Q&A, Help & Troubleshooting] shinji21:
It doesnt go flat in 20mins. As a matter of fact, it lasts a couple days with my work load. Its just that when i put it in standby mode let say overnight at 80%, when i turn it on in the morning the battery will be at 50-60%. But when i restart it will go back up to 78-79%.

So im not losing battery capacity here i believe, but its annoying to have inaccurate reading, especially when i am on a trip or sth.
[Galaxy Tab Q&A, Help & Troubleshooting] henrylam:
I can understand your predicament, I have those "moments" before. Mine just dies off and need reset to get the battery back. The unknown is always not welcomed to all since we paid so much for them.
[Galaxy Tab Q&A, Help & Troubleshooting] almostretired:
Battery Life Problem Fix

My battery was going from 70 percent charge to 1 percent. I could use it for awhile at the 1 percent level, but it was very frustrating. I tried all of the things on this thread including factory reset and it still was giving me only about 1 -2 hours of charge.

I saw on another thread that this would be fixed by opening the unit and removing the battery for 10 minutes. Sure enough this worked like a charm. I have had two full charges lasting upwards of six hours. It is great to have the Galaxy working as it is a nice unit. I had the IPAD for one year and I loved the battery life.

You can see how to open it and order the proper tools on ifixit.
[Galaxy Tab Q&A, Help & Troubleshooting] thangbom:
I am having a strange situation. After charging it to a full charged status, I will be able to use it for about 2 hours, then the battery will goes abruptly from, say 50-60% down to 1%, then I get all the warnings. However, as soon as I reboot it, it goes again to 55%, then I can use it again for another 2-3 hours. How do I overcome this strange situation?
[Galaxy Tab Q&A, Help & Troubleshooting] nupak:
Galaxy Tab Battery Drain Problem

I am having exactly the same battery drain problem. The battery went dead from 70% to 0 % in just couple of minutes. It took 5 mins to charge to 99%.

As I turn on again, it last only 15mins.

I did a factory reset and only help for 2 weeks time.

Brought to Samsung service centre and they just ask me to PAY to get a new battery replacement and do not bother to explain more what cause the battery to fail.

This seems like a well known issue with Samsung battery drainage problem after reading some many user post comments here and somewhere else. I do not want to pay for something which is defective in the first place and I doubt the battery is the main root cause of the problem. What should I do now as I am not getting any customer service from Samsung here. They are just rolling the ball here and there. From distributor to service centre and to customer service department....
[Galaxy Tab Q&A, Help & Troubleshooting] ecko no yaro:
almost the same thing with my brother in law but without the "PAY" part :D

he got it for free, the Samsung costumer service even give him 3 months warranty for the battery life, I guess he is just lucky huh? :D
[Galaxy Tab Q&A, Help & Troubleshooting] tommrazek01:
Happened to me on the Galaxy Tab 8.9 Reboot>Recovery>Wipe Dalvik Cache and Battery Stats. Problem fixed.
[Galaxy Tab Q&A, Help & Troubleshooting] yuzrawk:
same to mee

my baterry drain so fast after i flash aokp jb rom :(
[Galaxy Tab Q&A, Help & Troubleshooting] priyana:
Didn't happen to me. I am on aokp jb.
[Galaxy Tab Q&A, Help & Troubleshooting] VeryEvilSnowMan:
Thanks!

This worked for me. Thanks Beards!
[Galaxy Tab Q&A, Help & Troubleshooting] dannyxda:
darn i wish i would have known about bump charge before i replaced my battery. oh well i still have it.

what's the life expectancy on these batteries anyway?
[Galaxy S I9000 General] Alex E:
I'm trying to add a sound to my boot. ("welcome" text) I can't find the location of the boot sound though, does anyone know where that is located? I thought system/media/? but no luck so far...
[Galaxy S I9000 General] jersr:
You can change it using sgs tools..
[Galaxy S I9000 General] freakfingers12:
Boot up sound is in /system/etc/. Power off sound is in /system/media/audio/ui/. Hope it helps.
[Venue Pro General] Erchino:
Hi, I recently purchased a Dell Venue Pro and I am going to get it some time this weekend. The main concern I have with this phone is the small amount of storage. 8gb is simply not enough for me. Perhaps I missed something, but I've been reading through this forum and haven't found a very good explanation for newbies on how to replace the SD Card. I have actually seen some posts that say that they managed to exchange their 8gb SD Card for a Sandisk 32GB micro SD card Class 2. However, I would like to have some guidance and instruction from someone experienced doing this; I wouldn't want a bricked Dell Venue Pro.

Therefore, could anyone please instruct me with a step by step guide on how to replace my SD card without crashing my system and which sd cards are compatible? Thank you.
[Venue Pro General] whizack:
Believe me when I tell you this will not work. What you will end up with is a bricked phone that needs to be replaced.

If you have a device that was shipped between December and now you don't have an engineering sample, those are the only devices that can actually format the sd card to the proper filesystem and lock the card down in way you'd expect it to.

If you'd like to test that theory, simply replace the card while it's off. Perform a hard reset on the device (the CAM + VOL DN combination does not work), shut it down and put the card back in an SD reader. It won't be formatted and won't be locked down.

You might be able to format the card on a Windows CE machine with storage manager, but the most I've been able to do is get the SD card test to show a 114 not ok instead of a 115 not ok.

After that, if you're lucky, you'll be able to simply throw the old card back in the device and proceed with enjoying your phone with the original SD card. If you're unlucky your phone will not boot.

Food for thought:

In the diagnostics application there is a button for "Service Center" which displays two boxes: Zune and Composite.

When you press the CAM key during boot this puts the device into a "restore" mode that Zune is supposed to work with at some point in the future.

I'm guessing if we can figure out a way to flip the mode to Composite (currently requires a password) that the "test/debug" bootloader will allow us to format the cards properly.

It's also entirely possible that the reason the engineering samples work and the retail devices don't is that the eng samples are in this mode already.
[Venue Pro General] Erchino:
Wow thanks a lot for the very thorough answer. Do you think we will see memory expansion as a possibility in the near future?
[Venue Pro General] alodar1:
Ok, without trying to insult anyone, 'm gonna call Bullshxt. I now have 3 VP's in my possession. Ok....1 I dropped and it doesn't start any more. But that still leaves 2. On both of them I have removed the SD card, replaced hte card with bigger and smaller SD cards and have even left the SD card slot empty. I have NEVER bricked my phone.

Let's leave performance behind first...and not consider it. Lets just talk about changing cards.

The key to changing cards is process. Take the card out and restart your device, it won't boot. there is no external keys for hard reset. Place that same card back in your device, it will start.

To change out a card, do this:

1. Hard reset your device

2. On the reboot portion, remove the battery and then remove the card

3. Put the battery back in and let the device start up

4. Walk through startup and your phone is ready to use.

Keep this same process each time. You cannot remove a card, without first going through the hard reset process. You cannot add a card with out first going through the hard reset process. The hard reset process initializes the card to the device.

I've done this at least a dozen times, with cards ranging from 2,4, 8 and 16g. I've done it with cards pulled out of Google phones and an HD2. I've done it with cards that have never been used before. Its 1, 2, 3, 4. No matter what combination of removal and add....1,2, 3, 4. Remove a card, its 1,2 ,3, 4. Add a card, 1,2,3,4. Simple.

Now...if you want to talk about Performance....thats another conversation....

Again....no insult intended with the BS call.
[Venue Pro General] alodar1:
Sorry...forgot to add 1 thing.....this has been described on this forum several weeks ago...so...what I'm saying is not a huge discovery from me...but rather from the guy that posted this around christmas.....I just repeated it is all !!!
[Venue Pro General] Erchino:
Oh OK, sweet thanks for the thorough step by step guide! This is exactly what I needed.

A few questions though.

On step 2. you mention a reboot portion. What does that mean? After hard resetting what is my "queue" to remomving my battery and SD Card

Also, you never state in the 4 step process when exactly I put my alternative SD Card in. Would I put it in step 3 when I put my battery in?

Finally, you say Performance is a different story. Are you saying that replacing SD Cards will make the phone slower or more prone to crashing or working less stably?

Thank you.
[Venue Pro General] JetWarrior:
I think once the phone is ready to use again, you then start the process over again at Step 1, except instead of removing the SD card in Step 2, you put the new one in.

What I want to know is, if taking out the provided SD card voids the warranty, how do you get a new phone without paying for it? Or does the warranty not cover that specification?
[Venue Pro General] whizack:
none taken, but your claim about the device not booting if you remove the card is false.

It will boot, sans card, with ~15mb of free storage space with no customizations. It's also likely though that if your device does boot into this state, you will never be able to get another SD card to work in it ever again.

Even if it boots into the "no storage" state it's still possible to put in the old card (in most cases) and have it work. I'm just saying that has not been the case for everyone.
[Venue Pro General] Erchino:
Looks like I've found quite a good amount of posts from people stating that they have swapped SD cards succcessfully so might try this if I feel like I require more storage. Would anyone happen to know if there are certain types of SD Cards I should use to make this work? Also, alodar1, you have stated something about performance being another story? Would I be sacrificing performance by swapping cards? What kinds of issues would I be having?
[Venue Pro General] DeekoVB5:
1) Open settings-> about menu in phone

2) Press "reset"

3) Press "yes" twice. The phone will start to reboot.

4) Wait until the phone shuts down and begins to reboot, and take the battery out. NOTE: If you take out the battery too early, it will not work correctly. I waited until I first saw the Dell logo pop up and then pulled the battery, and that worked.

5) Remove the old SD card (I used a very small eyeglass screwdriver to gently pry it out since it isn't spring loaded)

6) Put in new card, replace battery, restart phone

7) Go through the setup process

That should do it. My phone hasn't crashed since I replaced the card on Sunday, so its been a success for me. I have not had any performance issues with my new card - but I suppose that really depends on your card. Granted, I actually downgraded - I went to a Sandisk Class 4 8GB card. Soon enough I'll be getting a 32GB card and trying that one out.
[Venue Pro General] Erchino:
Ah things are much clearer now thank you very much, will try this. I'll pray my phone doesn't go bad... gulp.

Also, are you saying you were a victim of the crashes and replacing the SD Card fixed it?
[Venue Pro General] Erchino:
OK so I'm going to buy an SD Card, a 16gb, so should I go for a class 2 or class 4? What's the difference between the two and is any one of those two incompatible with the venue pro?
[Venue Pro General] DeekoVB5:
Yes - my phone crashed very frequently with the 16GB card. Many times a day. I've now gone a full week without a crash with the new card.

Mine is class 4. The problem here is that there is no official specification. The class rating refers to data transfer speed - but the requirement for Windows Phone 7 is random access speed, which the card manufacturers don't advertise. Early reports actually showed that higher class (6+ cards) actually perform worse in WP7.
[Venue Pro General] NeverSummer07:
I don't have the DVP yet. Will the warranty be void when the SD card is replaced/removed? Thanks.
[Venue Pro General] DeekoVB5:
Yes, the black tape shows "VOID" after you remove it. A prior warning would be nice, since the tape doesn't say that on the outside.
[Venue Pro General] RSN5774912:
Does it really say "VOID"? I removed the tape but I can't discern any letters left on the device. However, I can see an "O" on the tape.
[Venue Pro General] bbowman:
yep, it says VOID and the black VOID letters are left behind when you remove the sticker.
[Venue Pro General] efjay:
So for those who have replaced their cards, how is the phone holding up? Able to use wifi and the marketplace and IE with no crashes?
[Venue Pro General] alodar1:
sorry for the delay in replying. No, not necessarily. Personally I believe there is an issue with the specific cards Dell used. But what do I know for sure. I swapped to another 16g card...nothing fancy...just directly out of the HD2.....it worked and performance was better. A couple of friends of mine did a similar swap, looking at specific R/W speeds, class types, etc. They had mixed results. So, my guess is, there is something else that is a trigger that no one has hit on yet. I know my 16g performance is not as good as the 8g performance....in smoothness of card access. If I swap down to an 8g card...or even a 4g card....I can see the difference.....the performance is smoother.

Now, this doesn't say that those people with the 32g cards are NOT seeing that smoothness. I'm saying that I tried this as a test because I had cards laying around....and noticed a difference. The difference strongly indicates the shipped 16g cards are not what they should be. But, this does not mean the 32g cards on the market right now are the answer.
[Venue Pro General] dede0380:
HELP !!!

I tried changing my 8GB SD card to a 16GB SD card. it booted up fine everything seemed ok, but when I restart the phone it loses all settings. So I put the original card back in, followed the same steps. Now my phone only sees 16 MEGABYTES of storage, I've tried multiple factory resets, after a reset it doesnt even go through the normal setup process. All it does is go back to the homescreen with only the normal tiles accept all the newsroom, tmobile family room and stuff isn't there either. If I pin an app to the start screen then restart the phone the pinned app is gone from the start up screen can someone PLEASE help, I'd be happy just to get it back to normal, with the original SD card in it
[Venue Pro General] alodar1:
when you say loses all its settings, what does that mean?

I know this much for sure...you cannot swap a card without a hard reset. WP7 initializes the card into a memory pool. An uninitialized card is simply not in the pool. If you have an existing card, pull it and replace it, 1 of 2 things will happen.

1. Device will restart and ignore the card

2. Device won't restart.

You can test this by hard resetting the device, and pulling the card on reboot. Then sign in and setup. Test memory and see no card os detected. Now pull battery and put in old card. Restart. The card is NOT viewable. This is by design. For the card to be usable, it must be initialized for the device via a hard reset and setup with the windows phone setup. No Hot swapping cards
[Venue Pro General] domineus:
the sd card isn't all the way in...

and/or you messed up essentially during the process...remove sd card after the phone turns off during factory reset, make sure microsd slot is in all the way

also for the sticker thing I removed only part of the sticker with a needle put the card in, and replaced the sticker/tape...no fuss
[Venue Pro General] efjay:
Has the card upgrade been positive for you?