Acer Gallant Duo E350 permanent Lost Signal

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Hello,

 

As of the last few days my cellphone has started to lose signal strengh to the point where I have no signal at both my networks as of now. I can't make or receive calls because of this, all the rest is working fine.

 

This is what I have tried out so far and didn't work:

Replace Sim Cards with other people, (my cards work in other people phones)

Factory Reset

Update system to the current version

I even made a trip to a totally different area and the issue still remains ( its not a local service provider problem).

 

I can't think of anything that I can do now that could fix this issue, all of this happend in a few days, first I could not get calls from one of the Sim Cards then the other one started with the same issue. Its just sad because I have this phone for just a few months and now Its become unusable.

Thanks in advance.