Wednesday, August 29, 2012

Extending the battery life of HTC One XL

Disclaimer – This is a beginner’s guide. I am no Android Geek. The statements are based on the links I read on the internet. Please do not blame me for factual accuracy. I am just helping out people who, like me are struggling with this problem.

I bought amongst the latest Android Phones in the market that is 4G/ LTE compatible. HTC One XL. You can read the review here. I pretty much agree with what is written in the review, and I was mighty impressed with the phone, other than one thing – its battery life. Some mysterious force made its 1800 mAh battery drain in less than 10 hours. Now, I was expecting the battery life to be low, but less than 10 hours was unacceptable to me. Like all noobs out there, I did my research on the internet and here is what I concluded:

  1. LTE is not completely implemented everywhere in my area. Most providers are just starting so the signals for LTE are not strong. When the phone is chosen to run on LTE, the phone desperately latches on to a not-so-strong LTE signal and consumes more battery. The easiest way to recognize this is – most places your signal strength wont be great when your phone displays “4G”.  4G Signal Strength
  2. LTE is currently unable to handle calls and SMS and uses a battery intensive way to handle them (active dual-mode operation for CDMA and passive dual-mode operation or CSFB for GSM networks). This seems to be a temporary arrangement till they figure out a better way to do it (VoLTE?). But all this active switching between networks causes the battery to drain up to two times faster than it generally would.
  3. If you are not using LTE and do not need blazing fast speeds all the time (even while your phone is on stand-by and you are not surfing) its better to switch down to GSM/WCDMA than be at LTE/ 4G speeds. This makes the phone stop doing the dual-mode operation thing that keeps doing otherwise. Result – your battery lasts long, real long. I have been able to get my HTC One XL run for 2 days without a recharge by doing this.
  4. And here is a quick way of turning off your LTE. Go to your phone’s Settings > Mobile network > Network mode > Choose GSM/ WCDMA auto. That’s all that you need to do.

How to change your Network Mode

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