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How to fix some mysterious problems.

3GS 4.2.1/05.16.01 battery goes really fast, what can I do?

I even bought a 1600mAh battery and replaced it in this phone. No difference. It's at 100% and a couple of hours later it at 40%. I am wondering if it is the OS or the fact it is greenpois0ned.

Brightness is at 33%, wifi is off, tethering is off, I am running 3Grestrictor, SBBSetup, Rotation inhibitor, activator, cydelete, iconoclasm, infinidoc, and a few others.

I am pushing notices for Facebook, Talkatone/Google talk, SMS, but I don't get more than 10 of those a day.

asked 20 Apr '11, 02:38

bobmutch's gravatar image


edited 20 Apr '11, 06:49

knightz4u's gravatar image



Are you loosing battery even with WiFi off? can you disable cellular data as well and check if you are still loosing power (with both cell data and WiFi off)?

(20 Apr '11, 03:25) knightz4u knightz4u's gravatar image

Ya I will try that. It must be something I have installed as I changed the battery out and it seems to go just as fast as before.

(20 Apr '11, 03:31) bobmutch bobmutch's gravatar image

@knightz4u I just deleted all the background apps that were running (double click home button, hold tap on any icon, then tap the red minus on each icon) , there where about 20 of them. Perhaps this will make an difference.

(20 Apr '11, 06:01) bobmutch bobmutch's gravatar image

@bobmutch you can check this way, some processes might not show in the multitask bar. If you continue to drain battery power, try to disable WiFi and Cellular data over night to see if battery still drains.

(20 Apr '11, 06:49) knightz4u knightz4u's gravatar image

ok I will get it up to 100 before the night time and see what I lose over night with 3g and wifi turned off and E on.

(20 Apr '11, 06:56) bobmutch bobmutch's gravatar image

Dear @bobmutch please turn off "Cellular Data" as we also need to stop EDGE data service (noted with the E letter). So no WiFi, no 3G, and no E.

(20 Apr '11, 07:00) knightz4u knightz4u's gravatar image

ok I have SBBSettings. So I will turn off E, 3G, and Wifi. Thanks : )

(20 Apr '11, 07:12) bobmutch bobmutch's gravatar image

ORiginal battery or china battery (bad side of china)? that could be the reason.

(20 Apr '11, 20:56) facsi facsi's gravatar image

the battery that was in it was a original apple product. I removed that and put in a 1600mAh battery and there is no difference as far as I can see.

(20 Apr '11, 22:08) bobmutch bobmutch's gravatar image

Do you have the same issue, pre-JB? That will rule out a hardware issue.

But it's likely running applications, as a prev poster said, dbl click home, and hold and tap any icons there with a minus on them. If that doesn't make a difference, try what I said above, and after that do a fresh JB without any addons. Then do one by one addon, and see if you notice what app does it for you.


answered 12 May '11, 18:58

_thenay_'s gravatar image


This topic hasn't been active since April 20 and the guy is banned. I just noticed that myself, I was about to suggest that "push" is misleading, no matter how many notifications you get, it's opening a connection either continuously or quite often so the other end has knowledge of what to "push" to.

(12 May '11, 19:19) Pepper ♦ Pepper's gravatar image

Turn off push notifications for mail, keep brightness down, turn off wifi when not using it, kill unneeded processes, turn off 3G when it's not needed, power cycle your battery every month.


answered 12 May '11, 22:18

JonSeals's gravatar image

JonSeals ♦

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Asked: 20 Apr '11, 02:38

Seen: 1,006 times

Last updated: 02 Feb '12, 23:17

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