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I would like to know why is the device flickering between 3g and 4g and not very stable. i am on 3 UK and network signal is very good here. People are complaining theyc ant reach me. Secondly , the sound from the ear piece when ona call is very low. How can I increase it. It is very hard to hear when you are outside. UMIDIGI should urgently do something thing about call volume. Maybe some thing in MTK engineering for boasting the speaker volume. |
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