lokhor: Wow I stopped using JuiceDefender today and after less than 9hrs i'm at 10% :/ I'm pretty sure my SGS has worse battery life than anyone else.
That's 9hrs not full-on web browsing etc right? A lot of that would be in sleep?
Yes. I did around 2hrs of screen usage and ~30 mins of music playing. according to battery history it was Running 39% of that time so not sleeping. 3G was on that entire time with autosync on and running Viber which appears to keep a constant connection. The reception at my work is pretty bad and ranges from 2 bars HSDPA at best to 0-1 bars of Edge reception in some parts of the building. Currently using BUJP5 modem and on 2Degrees.
All comments are my own opinion, and not that of my employer unless explicitly stated.
lokhor: Wow I stopped using JuiceDefender today and after less than 9hrs i'm at 10% :/ I'm pretty sure my SGS has worse battery life than anyone else.
That's 9hrs not full-on web browsing etc right? A lot of that would be in sleep?
Yes. I did around 2hrs of screen usage and ~30 mins of music playing. according to battery history it was Running 39% of that time so not sleeping. 3G was on that entire time with autosync on and running Viber which appears to keep a constant connection. The reception at my work is pretty bad and ranges from 2 bars HSDPA at best to 0-1 bars of Edge reception in some parts of the building. Currently using BUJP5 modem and on 2Degrees.
the main killer on phones is hunting for signal. i guess we are seeing the true demand on your battery - you insist on full push connectivity for all your services - syncing constantly for whatever reason - but the phone is struggling to get signal - so bumping radio power to keep things alive. then u add music and reading to the demand - i guess i can believe why your battery runs low - it doesnt sound like faulty hardware - its just the incredible demand you put on it??
i think i am not as important as you :) - even if i keep autosync on all day, nothing ever happens that gets updated lol - all i have to do is sync up every 12 hrs or so, and im up to date - rest of the time im in front of a computer, so theres never anything sitting unread to push to the phone.
when im home i use the phone as a mini tablet for net browsing on wifi, 3g off, 20% screen brightness, and usually an hour of browsing eats about 5% batt at a time...
only ever turn on 3g when i need-to-know something... or, get bored waiting in the mall for the mrs to try on clothes :) no wonder i can get 40hrs average, i guess its considered light use.
i too found JVB stock kernel as having big drain even on idle, big shock from the stability of JS8. swapped to DamianGTO's beta7, and drain idle dropped to like 1% per 6hours. huge difference. beta7 is rumoured to be more battery friendly than his GOLDv2.0. id recommend swapping kernels, then draining the phone flat, recharging to full while off, boot into recovery immediately, pull charger and reset battery stats, and you should be sorted
i dont get as much as froyo, but still 40+hours on medium use, i still set WIFI to sleep 'on screen off', i dont push email or autosync constantly, and disable background data, to get 40+hours. background data really sucks the battery also on GB for me. with sync, background on, etc, i get about 24-30hrs
KC1 works as well as JL2 but GPS looks like it works a bit faster. battery seems similar, doesnt "hunt" as much as other modems. not sure yet but JL2 is admittedly hard to beat despite its age!
So how good is Damians kernel/s compared to cf-root(stability/ speed) which is fairly basic. I'm finding that it's stable but still get the "Android OS " process drain issue occasionally, when I don't have this issue I can get 40hrs easily(ext4).
Galaxy S I9000T 8GB Kingston 8GB Class 4 Micro SD MIUI 2.3.5 V1.9.9 JL2 Modem
i too found JVB stock kernel as having big drain even on idle, big shock from the stability of JS8. swapped to DamianGTO's beta7, and drain idle dropped to like 1% per 6hours. huge difference. beta7 is rumoured to be more battery friendly than his GOLDv2.0. id recommend swapping kernels, then draining the phone flat, recharging to full while off, boot into recovery immediately, pull charger and reset battery stats, and you should be sorted
i dont get as much as froyo, but still 40+hours on medium use, i still set WIFI to sleep 'on screen off', i dont push email or autosync constantly, and disable background data, to get 40+hours. background data really sucks the battery also on GB for me. with sync, background on, etc, i get about 24-30hrs
KC1 works as well as JL2 but GPS looks like it works a bit faster. battery seems similar, doesnt "hunt" as much as other modems. not sure yet but JL2 is admittedly hard to beat despite its age!
So how good is Damians kernel/s compared to cf-root(stability/ speed) which is fairly basic. I'm finding that it's stable but still get the "Android OS " process drain issue occasionally, when I don't have this issue I can get 40hrs easily(ext4).
cf-root has no real mods, just has stuff added to it like ext4 support and cwm. damians kernel has some additional tweaks - it definitely stops/slows idle drain on the battery quite alot. i use batterysnap graphs to check the progress/discharge of my battery whenever i make changes, you can see a steady drop of battery on stock JVB or CFroot, regardless if you turn off 3g and background data etc. but do the same on damians kernel and all drain seems to slow down. whatever its doing, it works.
it could be better tho, it was better on 2.2.1 speedmod kernel and darkys 9.5, that combo was outstanding. but i believe gb will get there - thats why im hanging on for hardcore to finish his gb speedmod kernel :D
cf-root has no real mods, just has stuff added to it like ext4 support and cwm. damians kernel has some additional tweaks - it definitely stops/slows idle drain on the battery quite alot. i use batterysnap graphs to check the progress/discharge of my battery whenever i make changes, you can see a steady drop of battery on stock JVB or CFroot, regardless if you turn off 3g and background data etc. but do the same on damians kernel and all drain seems to slow down. whatever its doing, it works.
it could be better tho, it was better on 2.2.1 speedmod kernel and darkys 9.5, that combo was outstanding. but i believe gb will get there - thats why im hanging on for hardcore to finish his gb speedmod kernel :D
fahrenheit: Considering JVH just released, I'm bemused as to why anyone is in any hurry to flash a recalled release such as JVB.
because JVH is still stock and the JVB roms we are talking about have had some good enhancements to them already
once JVH gets modified then its the logical next step - i personally dont like flashing pure stock roms on, i just hate the unthemed/ununified look of everything
fahrenheit: Considering JVH just released, I'm bemused as to why anyone is in any hurry to flash a recalled release such as JVB.
because JVH is still stock and the JVB roms we are talking about have had some good enhancements to them already
once JVH gets modified then its the logical next step - i personally dont like flashing pure stock roms on, i just hate the unthemed/ununified look of everything
Oh I'd never suggest flashing the stock rom. I'm absolutely a custom rom fan through and through and couldn't comprehend running on stock. But realistically we won't have long to wait for jvh-based goodness.
I just don't see how suggesting someone going from stock 2.1 to a very flawed 2.3 is all that helpful.
fahrenheit: Considering JVH just released, I'm bemused as to why anyone is in any hurry to flash a recalled release such as JVB.
because JVH is still stock and the JVB roms we are talking about have had some good enhancements to them already
once JVH gets modified then its the logical next step - i personally dont like flashing pure stock roms on, i just hate the unthemed/ununified look of everything
Oh I'd never suggest flashing the stock rom. I'm absolutely a custom rom fan through and through and couldn't comprehend running on stock. But realistically we won't have long to wait for jvh-based goodness.
I just don't see how suggesting someone going from stock 2.1 to a very flawed 2.3 is all that helpful.
i can understand what you mean - however i havent found any of these 'flaws' to have killed my experience. JVK was way more unstable - ive been actually quite happy on JVB, all the essentials are working for me...? i have hardly had a problem at all yet... im happy with it being an interim build :)
Thanks for that mate, everything is working great so far and seems as fast or faster than cf-root. But the real test is whether the battery drain problem is still there. I'm still on rfs now but will probably change back to ext4.
Galaxy S I9000T 8GB Kingston 8GB Class 4 Micro SD MIUI 2.3.5 V1.9.9 JL2 Modem
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