sudo apt install python3-pip
pip3 install --upgrade requests pycryptodome git+https://github.com/R0rt1z2/realme-ota

usage: realme-ota [-h] [-r {0,1,2,3}] [-d DUMP] [-o ONLY] [-s {0,1}] [-v {0,1}] product_model ota_version {1,2,3} nv_identifier

positional arguments:
  product_model         Product Model (ro.product.name).
  ota_version           OTA Version (ro.build.version.ota).
  {1,2,3}               RealmeUI Version (ro.build.version.realmeui).
  nv_identifier         NV (carrier) identifier (ro.build.oplus_nv_id) (if none, provide 0).

optional arguments:
  -h, --help            show this help message and exit
  -r {0,1,2,3}, --region {0,1,2,3}
                        Use custom region for the request (GL = 0, CN = 1, IN = 2, EU = 3).
  -d DUMP, --dump DUMP  Save request response into a file.
  -o ONLY, --only ONLY  Only show the desired value from the response.
  -s {0,1}, --silent {0,1}
                        Enable silent output (purge logging).
  -v {0,1}, --verbosity {0,1}
                        Increase or decrease logging verbosity.