7898 Views 9 Replies Latest reply: Jun 14, 2011 5:29 AM by Contradel
Please note this is what is running right now (and draining 1% every 2-3 minutes)
Other Running Processes
When I was having the Same problem with Standby and Usage Times and a very short Battery Life… I tried the usual fixes...
The Only thing that eventually Worked (for me) was to do a Restore as New…
Very Easy and Straight Forward… and the phone has been performing Brilliantly for nearly a month…
Also, once a week, I make sure to run my Battery right down (5%) and then Recharge over night…
Have a look at this Link
Hope this Helps,
I'm thinking this is what I have to do however, I have an issue with my contacts - they are all synced via an exchange account I no longer have access to. Tell me, did you simply restore and then restore backup?
Can I restore my backup data (with all my exchange contacts included?)
I tried Restoring from Back Up a couple of times but my problems persisted. It wasn't until I did a Restore as New… that All my Problems went away…
Sorry, Not being a user of Exchange I cannot offer any advise…
Could you not put your Contacts in Apples Address Book and after doing the Restore as New… Then do a Sync with iTunes… ?
Just a suggestion...
If you are getting poor battery life here is a very good clear and concise list posted by Lawrence Finch.
Many people have had suscess in fixing fast battery draining issues by following these some or all of these steps
There is some process that is using the battery when the phone is idle. It is not a problem specifically with 4.2.1, it can happen with any version, and at any time. It IS more common after an upgrade, however. you need to identify the process that is causing the problem. There are several things to try to resolve it. Be sure to reboot (hold HOME and SLEEP until an Apple logo appears, about 10 seconds) after each step. Test after each step and if the problem is resolved do not go further.
1. Go to Settings/General/Reset and Reset Network Settings.
2. Go to Settings/General/Reset and Reset ALL Settings.
3. If you have a Push email account or accounts, go to Settings/Mail,Contacts,Calendar, tap on the push account name and turn if off with the switch. (Turn off the ACCOUNT, not PUSH). Next open the email app so it "knows" the account is off. Quite email. After the reboot go back into Settings and turn the account(s) back on.
4. Close all Safari pages.
5. If you have used Game Center at any time in the past, go to Settings/Restrictions and enable the restriction on Multiplayer games. You will have to assign a lock code. DO NOT FORGET IT!
6. If none of these have helped Restore the phone in iTunes.
7. If that does not fix it Go to Settings/General/Reset and Erase All Contents and Settings. Restore again, but this time set up as a new phone.
If you have gotten this far the phone should be working normally. If it still is not you most likely have a hardware problem.
Hope this helps
Well the problem is fixed but not through anything other than a system restore.
I went through the process - I turned everything off - Bluetooth, WiFi, Push, Airplane Mode (On) and then I killed every app that was running... I rebooted the phone using both methods (hold top button and slide off) and then HOLD top & home and reset - Everytime, the same problem came back.
In the end, I just performed a factory reset and the problem has been resolved.
I have just gone through the process above again and killed all apps, set to airplane mode = on and then reset the phone (top & home button) and the ran SystemLite again.
Below is what is running now the phone is working again... (It's been on for 7 hours and I still have 85% battery)
Other Running Processes
So what was the difference??? The following processes are no longer running. Not sure what they are or what they do but potentially, one of these processes was crippling my phone battery...
APPLE - Take notice!!! Potentially you can help people resolve this issue without the stock standard - Just do a factory reset!
Processes Not Running anymore (with battery function ok)
Anyone knowing what they are may be able to better help other users having similar problems... (I say other users because they're the only ones who seem to care or want to help people like me solve my problems.)
Thanks everyone for taking the time to respond
I had a similar problem which I now believe to be related to the phone trying to sync a calendar update with Exchange while out of range of the wifi. See this thread and the linked ones which may point to the same issue:
Incidentally, once back in range of my wifi ( and able to connect with Exchange), the phone returned to normal. Look out for my testing results later where I will try to reproduce this problem.
I had the same problem and actually from time to time I still have it. This is usually when I go abroad and data roaming is off. Then sometimes it happens that battery level is going down very quickly. I noticed also that phone is warm and Activity Monitor shows CPU usage about 50% all the time.
Nothing helps beside connecting my iPhone to the Internet. After that everything is ok.