Hi.... cannot be can’t use all banking..... my mate 30 pro 5g ... all the banking iap- is OK....not even install GMS also can use all the app....only is PENANG smart packing cannot install....all the app is already have in Huawei App Store or if no then u download APKPure then get all the app .... not install GMS my unit work more prefect and smooth... not like early I use P30 hang..... now very smooth.....without GMS work better

My whatsapp is use the backup in the Huawei app... use pen drive.... u can choose app and also data.... all the data will done in new phone...with phone clone in the app...