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					Originally Posted by  alonerbg
					 
				 
				I have a Tab 8C (Tab miniC china version), wifi region problem because I live outside china, tried to sideload Tab MiniC firmware and success. But the same wifi problem, then I tried to root to edit wifi region code based on  this guide  (using QFIL), now my device stuck on Onyx logo, can enter recovery and fastboot mode, here are what I tried to unbrick it but got no success: 
1. Use fastboot to fastboot boot boot_a.bin (and boot_b.bin : 2 files backup frim QFIL before root) 
2. Extract payload.bin file from update.zip and Use multiple fastboot command to boot.  
			
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 The flash and boot commands have been removed from fastboot, so 1 and 2 above accomplished nothing.  I suspect you will have to flash a full factory image to restore the partitions, but I can't tell you how to do that.  Renate will likely have some suggestions.