@Sunshine months are passing, and there is no workable solution to fix routers which already been 'damaged' with suggested solution from Tp link support - beta firmware, and basically routers are...

@Sunshine Archer MR600 v3.0 after upgrading firmware to beta version, only JIO 5G sim works, no other SIM card. After downgrading to firmware Archer_MR600(EU)_V3_220307 no change, still works only on...