Red Rice 3 Red rice note4x Telecom Repair method

There are many tutorials on the internet, but they are not a cure, such as change ro.telephony.default_network=9,9 for 8,1 or 10,9 or 4,9, and so on, although these can make the normal use of the telecommunications card but when the change back to the Unicom move will not, After all the efforts have finally solved the problem perfectly
Here's how:

First modify ro.telephony.default_network=9,9 to 22, 22 and then add it after this sentence

Ro.telephony.default_cdma_sub=0
Ro.telephony.call_ring.multiple=false
Persist.data.qmi.adb_logmask=0


Then save the Restore factory done

Red Rice 3 Red rice note4x Telecom Repair method