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#umidigi #F2 #android
1) Dial #*#3646633#*#
2) Scroll right to the Hardware Testing page.
3) Select Audio --/ Volume --/ Audio Playback.
4) In the drop-down lists, set Default, Music and Speaker
5) Press the "SET" button. These settings will stay until you preform a factory reset of the device
These settings will stay until you preform a factory reset of the device.
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