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Read moreCan I upgrade my 4G SIM to 5G?
The 5G-ready Upgrade SIM allows existing Smart, Smart Bro, TNT, Sun, and SBW subscribers to upgrade their non-LTE SIMs to LTE/5G without changing their mobile number.
Read moreTo register:
Read moreThe 5G-ready Upgrade SIM allows existing Smart, Smart Bro, TNT, Sun, and SBW subscribers to upgrade their non-LTE SIMs to LTE/5G without changing their mobile number.
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