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Coolpad 3300A is an affordable smartphone that is manufactured by Coolpad Group Limited. The Coolpad 3300A was released in 2015 for under $150.

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I opened up my phone to replace the cracked screen...

I opened it up and now I have very very limited cellular connection. My commute is pretty long and hits several cell towers but I would very rarely get any connection and when I did it would be just the little dot. What should I look for when I open it up?

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I put a screw though what i believe is the antenna. Fixed it by moving the antenna out from under the screw.

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Hopeful frank 将永远感激不已
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