T-Mobile has upgraded its network security standards, retiring older encryption methods in the process. The change, which took effect mid-last week, impacts select older devices running both Android and iOS operating systems on T-Mobile’s network and prepaid providers that operate on T-Mobile infrastructure. According to Android Authority, virtually all phones manufactured after 2017 remain unaffected by the security upgrade. However, devices made before 2017 may experience functionality issues. … [read full article]