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Released April, 2014. CPU - Quad-core 2.3 GHz Krait 400, GPU - Adreno 330. Display - IPS LCD, 16M colors, 1080 x 1920 pixels, 5.2 inches. Internal memory - 16 GB, 3 GB RAM. Android OS, v4.4.2 (KitKat). D6502, D6503, D6543

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after replacing the screen, hotspot and bluetooth are week signal

after replacing the screen, hotspot and bluetooth are week signal, I would like to know where is the hardware part of the devices that manage bluetooth and the hotspot ( wifi share ) to check if it is ok, the signal is so weak that if I am using bluetooth and I walk 3mtrs the connection ends same for hotspot

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1 Answer

most likely you didn't connect the coaxial antenna cable properly. Disassemble your device and check connections.

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