My LG Velvet recognizes sim card but not bringing network connection

[Android Central Question]

Please help me on this issue with the US used phone I just bought. It is an unlocked LG Velvet, anytime I switched it on, it first brings network but after like 2 minutes, network goes off the phone until I restart and still repeats the same issue. Kindly assist me.

 

[Kizzy Catwoman]

Was this a used phone or did you buy it new?

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https://forums.androidcentral.com/showthread.php?t=409154

 

[B. Diddy]

Welcome to Android Central! Which carrier? Are you certain it's compatible with the carrier's network bands?