crwdns2934241:0crwdne2934241:0 david chase

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If you are not planning on buying a new phone than yes you have to go for replacement antenna. But before you replace the antenna try reinstalling the OS of your smart phone.

Or try a factory reset after saving your phone data and see if on-board antenna picks up the signal.

Good Luck!

crwdns2915684:0crwdne2915684:0:

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