1.FLash This Firmware
Download J3 EMERGE 4 Flash file
2. go to dial and put this *#2263#
3. Band Selection
4. Click LTE
6. Click All LTE
7. Close this Window
8. go to dial and put this *#2263#
9. band disable setting
10. select LTE
11. Click RESET
12. LTE Band ALL Check & Uncheck LTE Band
Restart Mobile All Done
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