Hi community, I have a Samsung Galaxy Tab S7+ 5g bought from Telstra in 2021. It is capable of making and receiving calls using VOLTE and WIFI calling ONLY when using a Telstra (or Telstra MVNO) sim card. As soon as I put a Vodafone card in, I can no longer make or receive calls. As soon as I put an Optus sim card in, I can make and receive calls, but ONLY on the 3G network (no VOLTE or WIFI calling). ALL sim cards (Telstra, Vodafone & Optus) work using VOLTE & WIFI calling in my old Samsung Galaxy Tab A7 (2017). and in my iPhone 13.
This tells me that Telstra have installed something on my Galaxy Tab S7+ 5G that restricts VOLTE & WIFI calling to their network. This tablet works perfectly for data on all 3 networks, so I know that the device is not locked.
Telstra are not helping and the official Samsung support keeps asking for error reports, which I have sent.
have you tried a network setting reset? have you tried a full wipe and restore from recovery menu/reset from setting ? Make sure after reset you don't restore any old backup but just start as new device(just to test if something is corrupted on old backup)
at same time I will put Vodafone sim in and contact Vodafone because maybe in the system your sim card isn't registered properly and just say why my tablet (without specify is branded telstra or they will cut you off saying contact telstra) and the same do for optus. hopefully from one of the solution/suggestion I gave you it will solve your problem. my dm are open in case
Can anybody provide me with the firmware details of this tablet that was bought directly from Samsung? I'm trying to provie a point to Telstra that they have installed firmware that is preventing other networks from using VOLTE & Wifi calling.
