HTC One mini battery drain and overheat, dead in <7 hours no use
My boyfriend has an HTC One mini which over the last four to five months has developed a terrible battery life and we are unable to figure out the cause. The phone can be left overnight starting from 100% and drain to completely dead in 7 hours while we sleep with no usage at all. I have installed GSam which identifies kernal and android operating system as the two biggest users of power by a considerable amount. During standby time the phone also becomes very hot, with temperatures recorded on GSam of 48 degrees. I have tried clearing the cache and a factory reset, both to no avail.
Interestingly we recently took the phone on holiday with us and none of these problems occurred, the phone lasted over three days on one charge and the temperature remained stable however as soon as we returned home it was awful again. The only difference I can think of is that during this time my boyfriend had mobile data switched off as he did not want to incur roaming charges. Our house is very well insulated and the cell signal inside is terrible, with calls very rarely connecting and texts frequently failing. I am wondering if android is constantly searching for a stronger signal (despite being connected to wifi when inside) and this is draining the battery. I own an HTC M8 and my signal is also terrible (the same carrier) however I do not have this problem.
Any suggestions, this phone is barely a year old and I cannot fathom at all what is causing such a rapid drain.
My boyfriend has an HTC One mini which over the last four to five months has developed a terrible battery life and we are unable to figure out the cause. The phone can be left overnight starting from 100% and drain to completely dead in 7 hours while we sleep with no usage at all. I have installed GSam which identifies kernal and android operating system as the two biggest users of power by a considerable amount. During standby time the phone also becomes very hot, with temperatures recorded on GSam of 48 degrees. I have tried clearing the cache and a factory reset, both to no avail.
Interestingly we recently took the phone on holiday with us and none of these problems occurred, the phone lasted over three days on one charge and the temperature remained stable however as soon as we returned home it was awful again. The only difference I can think of is that during this time my boyfriend had mobile data switched off as he did not want to incur roaming charges. Our house is very well insulated and the cell signal inside is terrible, with calls very rarely connecting and texts frequently failing. I am wondering if android is constantly searching for a stronger signal (despite being connected to wifi when inside) and this is draining the battery. I own an HTC M8 and my signal is also terrible (the same carrier) however I do not have this problem.
Any suggestions, this phone is barely a year old and I cannot fathom at all what is causing such a rapid drain.
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