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Phone Battery Use Conundrum

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Prudie | 17:32 Sat 10th Jul 2021 | Technology
6 Answers
I have a problem that no-one so far has been able to explain so thought I'd give it a go on here...my phone has irritated me for a while as when I'm home and it's connected to home WiFi the battery used will drop from 100% when unplugged say at bedtime to about 18% overnight. If I forget to close some tabs eg WhatsApp it will go flat overnight.
When I take it out of the house say to work the battery reduction is minimal. I never use roaming /mobile data and have turned Bluetooth off. Something wrong with phone you may say BUT I have come away (abroad) and am staying in a house with WiFi that my phone is connected to and the charge is lasting for up to 2 days, No major drainage at all. What can cause this discrepancy in battery use when the settings on the phone have not been changed in the 2 locations????
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Not answering your question, but why do you have apps open when you are asleep. I close all apps at night. Nighttime is also when I plug in and charge my phone so that it is 100% in the morning.
Question Author
Because I forget to close them sunk. And yes I usually charge overnight but sometimes I have to take the phone to bed for an early alarm and it will drain massively,
Can't you charge it in your bedroom?
Question Author
Yes but thats not the point why does it go flat in about 8 hours doing nothing when connected to Talk talk in my home and yet lasts well over over 2 days with someone else's WiFi. Or is it maybe the phone signal part?
1. Is it running auto updates for apps over wifi when at home? That canes the battery of older phones if not plugged in.

2. As an experiment, put it in airplane mode & then only turn the wifi back on - if it still goes flat overnight then that excludes any possible mobile data or bluetooth drainage.
Question Author
Thanks for a sensible suggestion dave, not ignoring it but can't try it out until I'm home.

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