yashsingh1/xdaforums huggingface dataset:
[G2 and Desire Z Q&A, Help & Troubleshooting] craiglay:
From what I read on that other post, It definitely requires permanent root, not sure about S-OFF though..

I still haven't got round to trying it, work is a bit busy at the mo.

Regards

Craig
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
OK, now i permrooted my device. will give this a try. Yeah, i think i dont need S-off. (And i dont want to do it either. I'll follow official FOTA/OTA later.)

Will try this 3g thing...
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
Ok, with perm root it neither remained a permanent change. build.prop rewritten on full boot (fast-boot off). So this perm-root with visionary only means superuser access possible, but changes are not sticky in the system filesystem? Well, looks like you're going to need some other way to have that set to 0? S-off with a custom ROM?
[G2 and Desire Z Q&A, Help & Troubleshooting] Duppsko:
I talked to HTC support yesterday regarding the high power consumption on my DZ.. In 5 hrs with moderate use (couple of txt's, 4-5 min calls, 15-20 min. surfin'), the phone went from fully charged to 50 % (Battery status told me that the screen itself accounted for about 60 % power consumption with just above one hour with display-on)

They asked me to do a simple "battery test", and report back the results. Their first theory was that I maybe had a faulty battery, but I honestly don't think so after reading this thread.

In short, the "test" is like this:

1. Charge your phone to 100%

2. Remove SIM-card (and turn phone back on.. :p)

3. Adjust screen brightness to 100 % (turn off auto-adjustment)

4. Turn off any screen-saver and screen-locks completely. (Figured out that you can't actually on DZ's, longest screen-saver interval is 30 min. so you have to keep it alive at least one time during the test)

5. Leave the phone for one - 1 - hour. (Angry Birds can wait, go have a beer..)

6. When you're done, enter phone and "dial" *#*#4636#*#* (don't press dial). Read your battery level..

My phone used 15 % during this test (allthough I forgot to disable both bluetooth and WiFi which I surely believe will affect the results...)..

Conclusion? I don't know, but somehow this test makes me think that the screen isn't really the culprit... What do you guys think, anyone care to do this test for comparison?
[G2 and Desire Z Q&A, Help & Troubleshooting] steviewevie:
I think you just need to use your phone normally for a few days, and keep topping up the charge to 100%. In time, the battery life will improve. This isn't anything to do with the battery itself needing "conditioning", it's the ROM/kernel needing to "learn" the battery capacity and how much charge it can take etc.
[G2 and Desire Z Q&A, Help & Troubleshooting] craiglay:
Thanks for trying tbalden, it may be that it requires S-OFF, I'll try it when I get a chance.

Duppsko, there is a battery calibration routine that apparently helps a lot, try this http://xdaforums.com/showpost.php?p=6988794&postcount=1

Regards

Craig
[G2 and Desire Z Q&A, Help & Troubleshooting] steviewevie:
That didn't have any effect on my phone. Whenever I tried to use the battery just a little bit, and then top it up (Step 3), the charge light went pretty much immediately to green. Unless perhaps my ROM/kernel was already setup fine with my battery after using it for a couple of days ?
[G2 and Desire Z Q&A, Help & Troubleshooting] craiglay:
steviewevie, I did hear that Android was supposed to be able to dynamically calculate calibration just from standard charging cycles (no reference). Perhaps by forcing it like this, it tells Android to aim higher on the next charge cycles. I also try hard to run my battery down to 10 / 15% before charging.

Battery life has improved slightly, with fair use (15-20 txt / day, up to 30 mins mobile net on HSDPA) I can get about 40-48 hours (not switched off or mobile data off overnight) which is enough for me.. As posted, i'd love to disable HSDPA to see if it made a difference

Regards

Craig
[G2 and Desire Z Q&A, Help & Troubleshooting] gloscherrybomb:
My screen flickers when's its very low as well. Figured it was normal. My battery life seems to get a bit better every day. I have setcpu and 1.3ghz. Give it another couple of weeks, I think its the battery just sorting out its limits.
[G2 and Desire Z Q&A, Help & Troubleshooting] jark99:
I have my Desire z overclocked to 1 ghz, setcpu profiles are max 1017ghz min 245 mhz....profile screen off 245/245

ive been getting close to 16 hours with it, even more with light to moderate heavy use. I also like to point out that when the phone is on and charging from 10% it charges FULLY within 1.2 hours :D
[G2 and Desire Z Q&A, Help & Troubleshooting] lordevol:
This is the quality-standard program that I was looking for!

I'll test the battery with this one, and each of everyone of you should do the same.

Otherwise we will continue to talk about our little, personal, experience that do not help because we all use the cell in a different way.

Let's get standard! :)
[G2 and Desire Z Q&A, Help & Troubleshooting] lordevol:
Can you post a ap pic?
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
Well, now just bought tasker, set up a profile to use hsdpa every 30 mins and autosync on for two minutes then cut hsdpa off. Im gonna see how it performs with cutting the juice that way.

-- sent from htc z using xda app
[G2 and Desire Z Q&A, Help & Troubleshooting] lordevol:
I thin it is the same of batteryfu, isnt it?
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
Yeah, tho tasker is rather a full automation framework.

Just resolved autobrightness issue with tasker. Created light level based brightness setter profile. Light lvl btwn 0-30, brghtnss set to %LIGHT+20 if anyone owns tasker, that setting worked best for me so far. It's not perfect, but works setting 2 lvls, dim n bright

Shots

http://www.flickr.com/photos/44535092@N02/5215452626

http://www.flickr.com/photos/44535092@N02/5215452966

http://www.flickr.com/photos/44535092@N02/5215453764

Hoping tho that htc gonna add a better algo in an ota later...

Edit: Further testing shows that the htc z light sensor in tasker can be used to set up only two states, one dim one lighter. Seems like light level got from sensor knows two levels somehow. Tweaking with it a lot couldnt make it more than 2 lvl... but setting it like btwn 0-30 (i use 0 and 15) can change to light when i switch the lamp on in room. And using %LIGHT+15 makes it rather dim to save battery, yet when in bright light it makes it light enuff to read.

EDIT2: seems ive found a bug in tasker, but at least now i have 3 or arbitrary discrete lvls of auto brightness... adding profile for each light level seems to fix the thing. Probably %LIGHT is returning a false value? Anyway its perfect now with tasker, adding 3 different profiles with diff.min max light lvl triggering and an explicit setting of brightness instd of a referenc to %Light variable...

-- sent from htc z using xda app
[G2 and Desire Z Q&A, Help & Troubleshooting] Rickroller:
Not trying to derail this thread (i'm having the battery issues as well..screen seems to be using up 70% of my battery)..but you CAN customize your notification sounds. I'm still an Android noob (on day 4 with it)..but i've got mine custom set up with all my current BB Torch sounds. I think the trick is you have to put a Notifications folder inside the Music.dir folder on the SD card..that way the phone knows where to find them.

As well..i downloaded Missed Reminders app..this allows me to set a custom tone for SMS/MMS..and then I just use the systems stock Notification sound for my email. Since I also use Whatsapp..it's already able to use it's own custom sound as well...so all in all I've got all my SMS, email, and IM notifications set up the same as on my Torch (3 different sounds). Now if only I could get the LED notification light to work the same..i'd be a happy camper.
[G2 and Desire Z Q&A, Help & Troubleshooting] JPHCCFC:
very interesting, has this improved your battery life?

Im also going to run a test similar to the one HTC requested. I will put the phone in flight mode then have the screen on for an hour and see how much battery percentage it takes using spare parts. My phone ran for about 11 hours today with medium usage and the screen was again 65% of the usage, it was on for 1h 25.
[G2 and Desire Z Q&A, Help & Troubleshooting] JPHCCFC:
So I did the test charged to 100% then put in flight mode left the screen on full for an hour and it used up 21% of the battery 88% was screen 10% my live wallpaper and 2% was android system. Would be interested to hear others numbers.
[G2 and Desire Z Q&A, Help & Troubleshooting] steviewevie:
I don't know if this is exactly what you're after, but you might want to check out what I'm using for this - http://xdaforums.com/showthread.php?t=851220
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
Well, can't yet tell, today is my first day with Autobrightness + HSDPA Autosync every half hour (and hsdpa off after the two minutes set for autosync), juice spilling moratorium :D. Started with ~50% juice this morning. Right now I'm at 44% after 4 hours, so ~1.5% percent per hour, i guess it would last another day or two, if i just quickly look at the mails/friends stream when there's an update. I think 3 days of constantly being updated every half an hour will suffice.

As for the display percentage I wouldnt take poison on these values as my bet is that this percentage only calculated how much cycles the display module run on CPU probably, not necessarily in direct relation with power consumption.
[G2 and Desire Z Q&A, Help & Troubleshooting] MagicMan3311:
how did you do the hsdpa off?? there isnt any setting which is doing that for me.

i want only to toggle to 2g when the screen goes off. when the screen turns on tasker should set it back to 3g. is this possible?
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
I was using vague terms sorry, so i just simply switch off all mobile dat. No idea if thats possible what you say. Probably with apndroid but that isnt for european cdma if i read it right?

-- sent from htc z using xda app
[G2 and Desire Z Q&A, Help & Troubleshooting] MagicMan3311:
ive got a german desire z, i live in germany ;-)

so gsm desire z.

apn droid only disables mobile data. it cant toggle 3g/2g.
[G2 and Desire Z Q&A, Help & Troubleshooting] adrungil:
Thanks for this - *#*#4636#*#* "feature", which really interesting to explore. Playing hard for second week to find out if possible to use Desire Z for at least 14 hours (8AM - 22 PM...) without power plug and with decent use (several calls, e-mails, weather and browser for say 10-20 mins). So far no luck - running out of juice after abt 10 hrs.

Have done the test above - flight mode, BT - WIFI - DATA off, screen 100 pct and after an hour 88 pct left thus seems in line with others.
[G2 and Desire Z Q&A, Help & Troubleshooting] poondek:
Hi Duppsko,

I did the test and had gotten about 4% used during the 1 hour. But my phone typically still dies in under 6 hours anyway.

It pretty much defeats the purpose if I have autosync/data disabled all the time if you ask me.

I'm going to try out what this HTC rep suggested next...
[G2 and Desire Z Q&A, Help & Troubleshooting] Rickroller:
I tried a bunch of the steps from (Google) "20 steps to improve HTC Evo Battery life" (i can't post links yet) yesterday as well as the 2nd charge method mentioned earlier..and I got 21 hours out of mine with what i consider light to moderate usage (including 5 hours for sleeptime). From 12noon yesterday till 9:00am this morning. That was with some Angry Birds..light surfing..quite a few phone calls, and quite a few texts/IM's. The biggest thing I noticed was for the first time my display wasn't the major culprit behind my battery drain. My phone calls had accounted for almost 50% drain, while the display was around 40%.
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
20 hrs after charge, hsdpa sync every half hour, 8hrs of overnight standby on voice only, some ten mins of xda app, some web, a few minutes of talk, using my tasker autobright script, im on 75%. It will keep on for another day or two, but ill charge it near 30% anyway. Im content. Done some full recharge cycles too. Also taking care that antenna remains uncovered so signal is always best possible. As i wrote previously i lose significant juice when antenna was more covered overnight. Effectively 10%. Now i lose 0 overnight.

-- sent from htc z using xda app
[G2 and Desire Z Q&A, Help & Troubleshooting] steviewevie:
So what's made most of the difference, do you reckon ? Tasker ? SetCPU ?
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
Most significant ones are tasker (replace with any juice fu app that switches data only on when needed), and good signal, plus full recharge cycles. Theres a myth about battery logs created by the android os, that it notices it can charge more, probably thats why it becomes better with full recharges.

Not sure about setcpu. I use it with 245mhz min and 1350mhz max value, so probably it evens out an unclocked usage...

-- sent from htc z using xda app
[G2 and Desire Z Q&A, Help & Troubleshooting] Duppsko:
My point exactly, if your device used 4% during the test, I think it is reasonable to say that the power consumption from the screen is definately NOT the culprit.

Method of elimination right?
[G2 and Desire Z Q&A, Help & Troubleshooting] lordevol:
Me too: everything off, battery 100%, display 100% always on, after one hour battery was 87%.

I tried current widget too and in normal use (3g + autosynch) and it says: 32mA in standby.

Now I'm testing BatteryFu (with: 3 min on every 30 mins (6 min/hour of connection))
[G2 and Desire Z Q&A, Help & Troubleshooting] poondek:
Yup I agree. Removing the live wallpaper did help, but the data being enabled still affects the battery life greatly. D:
[G2 and Desire Z Q&A, Help & Troubleshooting] craiglay:
I just completed a test where I disabled 3G completely and rather that just touching 15% after about 36 hours of use, I'm at 40% Phone has been on EDGE for most of it.

Seems to confirm my previous experience out of a 3G area.

Craig
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
Another interesting tidbit i read over the Desire HD is USB Debugging set enabled helps to improve Desire HD battery life... no idea how...anyway I'll set it enabled, tho' i had pretty good results without this, will check if this changes anything or not...probably its just a Desire HD related bug, not related to Z stock rom..
[G2 and Desire Z Q&A, Help & Troubleshooting] poondek:
I'm not an electronics person, so I was just wondering: which value (that we can locate on the Z) should we look at to determine the charge capacity of the battery?

- I've seen some threads mentioning the percentage of battery use in the normal settings > phone info, but it doesn't seem to make sense.

- I've seen threads mentioning the current app, and the *#*#4636#*#* test settings shows battery voltage. (fully charged, mine was previously hanging around 3900mV, it is now at 4211mV)

- To confuse me further, I've also heard that the battery that came with the device is 1300mah, and it is possible to switch it with a 1500mah battery.

So here's hoping somebody can give me a clue, cos google ain't gonna help with so many variations on the battery floating around...
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
The 1500mah is not an original htc one, and most probably only capable to produce much less real capacity. Probably around the capacity of the branded 1300mah as they usually say.

--- sent from htc z using tapatalk pro
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
I've walked into the trap of the 1.72 OTA, so now i'm stuck with no root, no setCPU (it's a bit annoying, no overclock and marketenabler :( ).

But the OTA supposed to sport the new kernel and stuff that is told to improve battery life.

What I've noticed so far is that it's now idleing at ~300MHz. Also I'm putting the phone into Wifi standby with push gmail, and autosync for stuff on.

So far it seems to be a bit more kind to the battery. Still in testing, but it's promising to me. Well, as far as i dont switch the Display on it's seems to be better for me.

(The autobrightness thingy is still quite unusable as it was, tho the keyboard light seems to relate to the light now.)

Any other opinion about the new 1.72 ota battery improvements?
[G2 and Desire Z Q&A, Help & Troubleshooting] craiglay:
1.72 also has newer radio firmware... could improve battery life.

I'm in a GSM area currently so battery life wont be so accurate until I get back to my normal HSDPA area to compare.

Craig
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
Yeah, have anyone noticed that the front speaker is a bit louder too with 1.72 or is it just me?

Well, Wifi standby ate around 3 percents for some hours now, facebook, gmail push and exchange syncing actively. This is really something better, at least here.
[G2 and Desire Z Q&A, Help & Troubleshooting] tvdang7:
The first day i actually used to the phone going around the city the phone died within 5 hours with internet on. Now it still dies fast, about 50% with internet off while i am on a full 8 hour shift and me texting maybe 10 times and browsing for 15 mins on lunch break. This can't be normal can it?
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
Can you check the signal strength in settings/about phone/sig.str.?maybe its too bad there?

--- sent from htc z using tapatalk pro
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
Well after a few days i can tell that no internet standby seems to be worse a bit with 1.72, while with wifi, hsdpa standby eats less than the same before.

Also the speaker is truly much louder when talking.

--- sent from htc z using tapatalk pro
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
well, now i have permanent root and soff, and CyanogenMod7, and now i could sticky the ril.hsxpa to 0. Rebooted 3 times, it still is 0 in the build.prop, but the mobile still connects HSDPA, and not 3G.

Any ideas how this can be actually done on the G2/DesireZ?
[G2 and Desire Z Q&A, Help & Troubleshooting] craiglay:
I read but now cannot find the reference that the ril.hsxpa line appears 2 times and its the bottom one that actually makes the change.

Craig
[G2 and Desire Z Q&A, Help & Troubleshooting] tbalden:
I changed both as I spotted that. Unfortunately it did not help. But now I'm getting accostumed to use 2g only. Its not that slow after all :)
[G2 and Desire Z Q&A, Help & Troubleshooting] craiglay:
Then I guess it just cant be done. Shame as it could have improved battery life.

Now my phone has settled down, I get 2 days normal use out of it which is ok for me.

As it happens, I also now leave WIFI on constantly which seems to be more power efficient than HSDPA (I'm not in a strong singal area tho, 1-2 bars)

Thanks for trying though,

Craig
[G2 and Desire Z Q&A, Help & Troubleshooting] K4ldun:
found a manufacturing error

Hi!

I know guys this post is a little bit old but in my opinion this is the best place to post my discovery. Tell me if I'm wrong (I'm new here so I would appreciate that)

I've been suffering from major battery problems as many others in this thread, and by major I mean seeing battery percentage dropping like minutes in a clock. As mentioned earlier in this thread I made a test that HTC proposed: had my phone's screen on for an hour at full brightness with all radios shut down (airplane mode), this drained 25%.

After several restores and attempts to shut everything off (even keeping brightness at ~20% whole day) I've still noticed that display took most of the battery which was pretty beyond any logic. Listening to music "whole day" via loudspeaker took less than display on with normal usage. So I started to wonder if there could be some trouble with the display...motherboard...connectors...yeah, connectors!

I've discovered that the ribbon cable between the screen unit and the display unit has some damage on my desire z. It is a straight line of worn rubber on the cable, I can see the metal cable inside the ribbon. As I discovered later the straight line appears to be at the same level where a small cavity (from which the ribbon starts on the keyboard unit) ends. This means that every time you open your keyboard half of the cable bends inside this cavity and tear the ribbon cable.

As many of you probably understood at this point, plain cables are exposed to dust and air, which lead electricity between different contacts, thus making the resistivity greater and causing errors, which is probably the main reason for increased battery drainage.

If you google, you'll notice that some owners have had bigger problems with this ribbon. Now I'm interested, am I stupid or are your ribbons worn as mine is too?

I'll head to the store today and send the phone to the service, I can later tell you how it went. I can try to take some pictures and post them later, but that if I'll find another camera somewhere during the day :P

Hope this helps somehow and thank you for the reading :D
[G2 and Desire Z Q&A, Help & Troubleshooting] jcsd1212:
If rooted, check out mexDroidrom's pre-ghost chili rom. It has a battery calibration app included w/ the rom. After calibrating the battery, I'm getting triple the battery life before I was rooted.
[G2 and Desire Z Q&A, Help & Troubleshooting] K4ldun:
Sweet, thanks I'll root my phone and check it out as soon as it returns from service. Just wondering if it will sooner or later acquire same type of damage on the ribbon cable :( that would make my desire z a waste if money and no calibration app would help
[XPERIA X10 General] biffsmash:
Hey everyone,

I recently swapped my own X10 for a HTC Desire for a multiutude of reasons I won't go into, but my GF kept her X10 in anticipation of the 2.1 Update. She has updated the phone now, although it did take two hours and kept failing.

Anyway, she is happyish with the phone, but I still feel guilty, as it is so terribly slow, and I recommended the phone to her in the first place.

Anyway onto my question. If anyone has a HTC Desire and an X10, they may have more insight, but basically, the X10, after the update, is really slow.

I have sat my Desire side by side with her X10, and tried to do simple tasks, like go into settings, or load media scape / gallery, or add widgets, etc, and the X10 is sometimes seconds behind the Desire, 5 or 6 seconds behind to add a widget? I am hoping this is due to a bad install of the update but am not sure.

Everything seems to lag, pressing settings, going into the app drawer, loading the messaging app, and it doesnt always take the same amount of time to load things either. Sometimes going into settings comes up instantly, other times it takes up to 5 or 6 seconds. Things just seem to hang for no reason. Even scrolling the app drawer and settings screens up and down seem laggy.

We both have launcher pro installed now too, as I find it to be an amazing launcher, but the X10 with launcher pro is again miles behind speed wise, to the point of, to me anyway, almost unnacceptable lag.

Anyway, I just wondered if anyone, hopefully with both phones too, could advise me. I dont want to advise her to do the update again if it isn't going to help. I am privately hoping it is not the limitations of the X10 that makes Android 2.1 so slow, but just a bad install, but i'm not holding my breath.

Sorry to drone on, and I hope this isnt viewed as too much of a rant or X phone verses Y phone lol.

Thanks

Biff.
[XPERIA X10 General] pngface:
Hey,

I used to have a lot of lag in the first week after updating... Its almost all gone now :)
[XPERIA X10 General] biffsmash:
Heya,

Thanks for the response, and it's a response I was hoping for! Lol. I'll cross my fingers :)

Biff.
[XPERIA X10 General] Candy[MAN]:
It is a know thing. After a fresh upgrade the first few hours will be laggy but after it goes away. It has to do with the facial recognition plugin. If you have a lot of pictures on your sd card after the upgrade it may take a little longer.

In a few hours you will be fine.