If you booted with R1CBU firmware and your xgf file was copied to the DATA partition, do next:
* connect to radio with PuTTY
* execute next commands:
mkdir /tmp/mnt
mount /dev/mmcblk2p2 /tmp/mnt/
cp /mnt/X6100_BBFW_V1.1.8_240915003_160.xgf /tmp/mnt/usr/firmware/
?
* Reboot to OEM firmware
--
Georgy // R2RFE