Disable your antivirus temporarily (false positives are common with radio flashing tools). Run 7010b_Flasher_v2.0.exe as Administrator. Install to C:\7010b_Update .
After the flasher says "SUCCESS," disconnect the USB. Remove the battery for 30 seconds. Re-insert the battery. Hold Power + Volume Up until the radio beeps three times. Then, restore your codeplug. Troubleshooting the "Red X" Error During our testing of the 7010b radio firmware update exclusive , the most common error is the "Red X" on the LCD at 89% completion. This indicates a checksum mismatch due to a corrupted download. 7010b radio firmware update exclusive
With the radio powered off, hold PTT + Side Button 2 while connecting the USB cable. The screen will flash "DFU READY." This is the only safe state for flashing. After the flasher says "SUCCESS," disconnect the USB
In the flasher, click "Load Firmware" and select the exclusive .701 file. Click "Verify Chip." Once confirmed, click "Start Flash." The progress bar will stall at 47% for 90 seconds—this is normal as it patches the audio DSP. Hold Power + Volume Up until the radio beeps three times