Problems with ads popups every 20 seconds and 4g conectivity

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1

2017-07-18 17:53

Hi, I have problems with my m3 Note.

The phone send me several ads popups, one every 20 secs. This keeps the smartphone unusable at all, and the phone are factory reset like 10 times now and the problem persists.

The other problem are the 4g conectivity, I can only use 2g... the phone never reach 3g or 4g.

I've sent the phone to SAT and sent back with a motherboard change, and that never resolved the problems.

I've never installated any malicious app, only navigate with adguard and never have a virus problem, so... what happen to my phone?

PD: I formatted the SD too, and the options for 3g/4g are changed a lot of times...