Hey guys, my friend bought a S plus and he facing a battery life problem now. He said that sometimes when he turned off the phone, it still drains the battery. His S plus couldn't last for a day long. I've checked out XDA forum, and flashed 2.3.4 for him, the problem still existing. I put the phone idle for 2 hours after fully charged, the battery left 77% only with usage of 50% cell standy and 50% phone idle. Anyone encounters the same problem here?

Any method to change kernel or baseband? Previously I said that my phone suffers with battery draining problem. I tried to change battery with my friend's sgs+ which battery works fine but the battery draining problem still occurs, it won't last than 24 hours even I put it idle. The differences between my phone and my friend's are the kernel and baseband. I couldn't find a link to change it, I mean easy way, not a pro here Thanks!

Tried, no luck with that

Yup, before that it was original rom. After flash it suppose to be a fresh new phone right? what kind of format did you refer to? The kernel is 2.6.35.7-perf root@DELL148#1, anybody having the same one? because my other friend which has a working fine sgs+ has a different kernel. I read about people says that kernel was a major factor of battery life. It's that truth?

This is how the battery drains after I flashed the kp4 (without any single app or widget)
I put it idle for an hour - 3-4% drops
I put it idle when I off to bed - 23% drops. (roughly 4-5 hours)

Before that, the original rom was like that too. It's actually my friend's phone. Just trying my best to help.

Oh, I did a clean wipe before flashed. I didn't slot any sdcard on it. Everything is fresh new, no apps, no widget, only the original apps come with the rom. Nope, no data turned on. The battery usage was phone idle 50% and cell standby 50%. My friend did use juice defender with the original rom, still no luck with that. I'm sure it's not settings problem because I tried the same settings with my nexus one. The only thing I haven't try is the kernel The phone bought with online auction and the f***ing stupid idiot moron seller is running away and in a wanted list right now. No warranty can be claimed.

Tried I've tried everything that can use less battery, still the same problem. I saw someone at xda said that his phone can't last more than 12 hours too but no solution has founded, yet Anyway, thanks for helping!

QiLing, a lelong merchant, a conman, a jackass, a mother fxxker.

any way for me to change my kernel to KERNAL 2.6.35.7-perf root@DELL88 ? My friend is using this kernel also and works fine.

my kernel is 2.6.35.7-perf root@DELL148#1 and using the rooted 2.3.4 rom.

hope you find something can fix it. I bought it from somewhere which don't have warranty. I've tried everything I can. Reset the phone, monitored the battery, flashed the latest firmware and custom rom, I even swap battery with my friend which has a working fine sgs+. The result still the same.

I tried with airplane mode as well, it still drains that fast!