![]() ![]() After I found the solution I called the operator (T-mobile in Netherlands in this case), and explained to them the problem and the solution. I saw in other forums that you can do it differently. I have HTC Wildfire, and can do it under Settings - Wireless & Netwoks - Mobile networks - Network mode. I had to switch wireless network setting from GSM/WCDMA auto to GSM only. I had the suspicion that the problem is caused by Phone Radio (drained most of battery) but after a lot of research and puzzles with battery monitors, applications etc. Hi, I'm the same kind of user - very light, almost never install or use apps and 3 days ago I started to have exactly the same problem. Just so I don't sound crazy, here are screenshots under the same use conditions. ![]() ![]() Hopefully your issue will prove to be something easier to find or fix. I am just planning on living with it until I am eligible for a new phone in 5 months or so. But without knowing the cause, it's too big of a risk to buy a new phone hoping to fix a mysterious problem. If I was sure replacing the unit would fix the problem, I would do it myself just to get it over with. Everyone I spoke to has pretty much told me that 1 day of battery is considered acceptable and refused to admit there could be a legitimate warranty issue. In my case, I have called tech support a dozen times and spent literally days researching and troubleshooting to no effect. In my opinion from testing and ruling out, I personally believe there is a compatibility issue with the particular radio in this phone connecting to the networks after some "behind the scenes" change was made by AT&T. The only real advice they could give me considering all the troubleshooting I did myself was to try pulling the battery while in an active call (supposed to reset something I guess) and making sure the SIM and SD cards had clean contacts and were seated properly. On one help call with AT&T, the rep said that there were fairly widespread issues with Ice Cream Sandwich and battery issues, but I am not convinced it is purely ICS that is causing the issue. It was not a battery issue as I thought, there is a serious flaw in the software or hardware that is beyond my ability to diagnose and Motorola/AT&T's willingness to pursue the issue. Hi, unfortunately I've not been able to find any solution or make any real improvement over the situation I reported before. Also, this weekend I drove about 10 miles out into the county to visit a friend, and my phone went back to normal power use while I was there but returned to high drain when I came home. I have actually not been able to find any of the codes that work on my phone except for the *#06# code to get the IMEI number. I found one unverified source that claimed AT&T phones do "network re-learns" (not sure what context they meant) every time they are booted up, not sure if that is even true. Something like that would make a lot of sense if it was screwed up on my phone. I tried searching to find an equivalent number code for me to reset the prl, but no luck. The BBS reports that the processor is in the lowest speed like 92%+ of the time, I don't think there is any one unusual process running in the background hogging resources as far as I can tell. Once before I did turn off everything except the basic cell radio and the problem remained, so that indicates to me that it is probably not rouge data activity or wifi or something. I am still fresh on my last factory reset other than installing the battery monitor (I checked the drain rate before doing that and it was still high even with nothing installed). Last night I tried putting it in airplane mode like suggested and the power usage was 10x lower than than it has been. Has anyone else seen or solved this issue? What else can I do or check to figure out what is going on? The "cell standby" in the phone's battery manager menu (which is probably the same statistic) is also much higher than normal. But it also says that I am in good signal ranges, 3+ bars almost all the time (I am in the same areas I am always in). I installed the Gsam battery statistics app and it was telling me that the "phone radio" was sucking down a vast majority of the battery. There are no periods of extended awake time or anything either. However, none of my apps seemed to be doing anything strange. Due to past phantom power problems, I happened to have a battery logger running at the time and I can see that in the morning a few days ago, around 3am the idle current went from 6mA (normal at night) to 45mA and never went back down. This started all of a sudden and I didn't change anything myself. I am a pretty light user and know all the battery saving tricks and my phone usually lasts for 2-3 days on a charge, but right now I am not even getting 1 day out of it. ![]()
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