THIS IS A QCN DUMP FILE IF LOST YOU IMEI.
Look for the 088A and change it with Hex.
https://mega.nz/file/aI8G1L5T#jGmVC5RAE0KjmIQKGFraFm8qxGLBUOIo1bhjkEX3nnw
Below link for Guide on IMEI
https://www.androidbrick.com/ultimate-guide-qualcomm-snapdragon-xiaomi-mi5-imei-and-baseband-repair-fix/