Tuesday, December 19, 2017

Iphone 5S No Service After U2 Change





  1. Change U2 Again From dead board ( Some China IC is Bad Quality )
  2. check U11_RF , L21_RF 
  3. If you type *#06# the imei not show up     -  try rehot bb_pmu (u2_rf)
  4. Reflowed U1_RF and U3_RF









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