If you're rocking a phone that's near the decade mark you might start to run into problems with T-Mobile's network after a new update.
T-Mobile’s latest update may prevent some older devices from working correctly
T-Mobile is rolling out a network update that may cause older devices (nearly 10 years old) to malfunction or lose connectivity. The issue affects legacy devices relying on outdated network protocols or hardware, with no CVE ID assigned yet. Users with aging handsets are advised to check compatibility or seek replacements.