I have a cell phone that has a 4 band gsm. I want to buy another phone with a tri-band gsm. Will this work?If I switch my 4-band cell phone sim card with a tri-band one will the switch be successful?
Hello! If you're asking whether the SIM card will still work, the answer is yes. That's not depending on how many different bands the new device can use, as long as it's a GSM like the one you're using now.