iphone 7 battery draining

  1. A

    Battery draining unexpectedly and whatsapp huge background activity

    Hi, is my first post here and I hope to get some help before I eventually return this 6 months device to Apple and kiss them goodbye. Basically I bought this device 6 months ago and It had ios 10.1 x and had no major problems with the battery with a normal use between reading emails, whatsapp...
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