I've read a few posts here and there of people with really good battery life but mine was never that good. I also just got a wireless charger and found my battery has been worse since so I read some other posts and one suggested a soft reset - hold volume down and power key and wait for it to vibrate 3 times. And so I did that and my battery is ridiculously good!!! Before you go ahead and do this though read my warning below. Also I haven't received the Portico update yet here in Australia.
But to give you an idea of how good it is, I charged it on the wireless charger over night and at 7:30am I took it off the charger and hardly used it just checked some emails and quick read of WPCentral. I get on the train at 9am and notice the battery is still at 100%!! I thought this was an error because I've never seen this 100% before but anyway it has now started to drain so I don't think it was an error. I used it for half hour on the train ride surfing the net and what ever else. By 10am on usual days my battery is usually around 60-65%. This morning at 10 is was at 80%. At about 10am as well I upgraded my phone plan to 4G (LTE) and had to do a normal reset and usually I lose 5% each time I do a reset and this time it stayed at 80%. I've been using it a fair bit with 4G enabled and now at 11:30am it's at 70%. This is all with not even 1 days testing so I'm not sure if it will stay like this but I can definitely see a huge improvement so far after the soft reset so thought I'd put this out there for others to give a go.
I do have a warning though. My mate who has an international Lumia 920 had flashed the Belgium Portico ROM and he did a soft reset and he can't see any new messages. He receives a notification of the message and when he clicks on it it opens the Message hub but the message is not there. I thought it was very odd that this would happen after a soft reset but he'll be flashing a different ROM soon so hopefully he gets that sorted out, but a soft reset could do something funky to your phone if you've flashed ROMS yourself so I'm just giving a heads up here as well.
But to give you an idea of how good it is, I charged it on the wireless charger over night and at 7:30am I took it off the charger and hardly used it just checked some emails and quick read of WPCentral. I get on the train at 9am and notice the battery is still at 100%!! I thought this was an error because I've never seen this 100% before but anyway it has now started to drain so I don't think it was an error. I used it for half hour on the train ride surfing the net and what ever else. By 10am on usual days my battery is usually around 60-65%. This morning at 10 is was at 80%. At about 10am as well I upgraded my phone plan to 4G (LTE) and had to do a normal reset and usually I lose 5% each time I do a reset and this time it stayed at 80%. I've been using it a fair bit with 4G enabled and now at 11:30am it's at 70%. This is all with not even 1 days testing so I'm not sure if it will stay like this but I can definitely see a huge improvement so far after the soft reset so thought I'd put this out there for others to give a go.
I do have a warning though. My mate who has an international Lumia 920 had flashed the Belgium Portico ROM and he did a soft reset and he can't see any new messages. He receives a notification of the message and when he clicks on it it opens the Message hub but the message is not there. I thought it was very odd that this would happen after a soft reset but he'll be flashing a different ROM soon so hopefully he gets that sorted out, but a soft reset could do something funky to your phone if you've flashed ROMS yourself so I'm just giving a heads up here as well.
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