: It is stuck on iOS 12.5.8 , which received a final certificate update in January 2026 to keep iMessage and FaceTime working through 2027. However, it lacks critical modern security patches.
: Many carriers have shut down 3G networks. While the iPhone 5s supports 4G LTE for data, it does not support VoLTE (Voice over LTE). This means standard phone calls may not work on modern networks in many regions. i want to buy iphone 5s
The device is strictly a legacy phone. If you decide to buy one, keep these limitations in mind: : It is stuck on iOS 12
: Due to age, original batteries are often degraded, lasting only a few hours at most. Where to Buy While the iPhone 5s supports 4G LTE for
Since it is no longer sold new by Apple, you must look at secondary markets: iPhone 5S In 2026! (Still Worth It?) (Review)
: Most modern apps (Instagram, YouTube, Banking) will either not install or run very poorly. It is best used for basic tasks like music, calculator, or simple web browsing via Safari.