If you experience critical bugs, you can downgrade, but :
You have three primary methods. Choose based on your technical comfort. STK-LX3 10.0.0.261-C69E8R1P2--Firmware-EMUI10.0.0
Cross-flashing a C69 firmware onto an LX1 device will hard-brick the phone (Qualcomm EDL mode required for recovery). If you experience critical bugs, you can downgrade,
For users upgrading from EMUI 9.1 (Android 9), this firmware brings a fundamental shift in user experience. Here are the key highlights: If you experience critical bugs