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Old 02-20-2008, 11:11 AM   #1 (permalink)
Gyi2os
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Join Date: Nov 2007
Model: 8100
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Default 8100 Pearl Sudden Change in Battery Life.

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Hello,

I've searched and read a handful of threads regarding '8100 battery drain/short battery life' but the threads always seem to consist of people stating their usage and battery life, with very few insights into actually solving the problem. So i decided to ask my own question;

I've had my pearl for just over a month. This is used as a personal phone, not connected with any BES servers or the like. I had been getting, what i considered, wonderful battery life. Two days from 100% down to ~10%. 6am it comes of the charger. i could go all day, leave it off the charger that night, and by around 7-8pm the next night, the battery would start to warn me of low charge. - Totally acceptable in my eyes. after all, i would be considered a 'light' user. I field a handful of phone calls a day, send 5-10 txt's. do not have the data plan or e-mail service - but do have the t-mobile web browsing feature (something like 6$ a month lets me browse the web but not dl anything or use cool progs like googlemaps/email).

Just this last week, i've noticed that my battery cycle is something like this: plug in phone at night before bed, Take off charger at 6am. by about 8-9 that night, phone is at ~15% and shortly after, the battery icon starts to turn red. I have not increased my usage at all, if anything it's declined a bit.

One thing to note is that my office is in the basement of our building where i get 0 reception. I do get 'above ground' 3-5 times throughout the day, where i'll get a few bars and usually receive a few txt's and a vmail notification.

Another note would be that i use T-mobile, and EDGE is always underneath my signal bars. Also, i use the t-mobile browser maybe once a week for approx 10 minutes to find places/get phone numbers/check movie times etc. this has been standard through the time i've owned my phone

Usually i just hit the red button or the 'back' button until i'm back at the home screen and go on doing other things. I've never 'closed' the browser though the menu like has been noted in another post.

So i guess my question is, Can anyone think of a reason my battery life would drop by nearly 50% from one week to the next? Does anyone know of any possible solutions or tests/diags i can do to maybe root out the cause of the drain? Or can anyone say that my bat is just 'effed' and needs to be replaced. If the latter is the case. Does T-mobile/RIM warranty the battery replacement for a given time?

Thanks to all that respond.
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