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The Samsung Galaxy A30S is a phone released by Samsung in August of 2019. It came with Android 9.0

The network is not available inside the house but goes outside

If you go out of the house, you can get the network, if you enter the house, you can't get the network. Same problem everywhere. Please help what can I do?Any other mobile can get network inside the house

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2 Answers

i think look for your phone middle frame chassis components on the bottom of the frame after you ruled out all other problems..If the pcb flex is damaged or teared thats the problem..i also once suffered by the same problem like that..and discovered the flex in the middle frame of my phone (SM-A30s 7FN...) is torn so i tried to fix it by using thin exposed wire from charging cable and tied it up on each connector of damaged flex by inserting the wire through tiny holes and i modified its shape as much as the original shape of damaged flex..wow it works.. indoor network issues fixed..no more "Emergency call only",No More "No service" on my screen display 👌🏽

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here my phone which i fixed it for the same problem with the cause is cutted and torn flex cable in the bottom of middle frame chassis ''

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Alamin Mollah will be eternally grateful.
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