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i have using sony z2 mobile. This is came fluctuating signal problem. For examble am were in village area it will be indicate NO SERVICE. Incase am goes to city area it wiil be working properly. how will be solve the problems?
This has nothing to do with the phone.
In the rural village area, your mobile service carrier's coverage is spotty.
In the city area, they have more cell towers, so the signal is fine.
Talk to your mobile service carrier about coverage issue.