Xiaomi Redmi K40 Pro+ [No network 5g when updated to] (SKKMIXM)


Sep 16, 2022

My phone refer to the Title have problem with network when updated to version from The problem doesn't have 5G icon when I change to LTE, the network is ok on LTE. But, when changing back to 5G network, the problem still same. My network in my country support 5G network. I have reset all settings to default and also factory reset the problem still persist. Before this, Stock ROM using CN ROM and change to GLOBAL ROM. The CN ROM also have problem when updated to the latest version not sure what version using it before, then changing to GLOBAL ROM version, the network of 5G all ok on that version. I have rolled back from version to the problem was solved. But, may I know why the latest version of GLOBAL ROM and CN ROM have problem in 5G Network.

Sorry for my bad English.

Thank you..