Nano SIM (12.3x8.8mm) — all phones since 2014
Micro SIM — iPhone 4/4S, older Android
Standard SIM — tablets, routers, legacy devices
T-Mobile ships a triple-cut card — snap out your size.
Compatible: iPhone XS+, Samsung S21+, Pixel 3+
Activate in 2-5 minutes — no hardware, no delivery wait
Dual SIM: run eSIM + physical SIM simultaneously
Same 5G speed as physical SIM card.
1. Power off → remove → clean → reinsert
2. Check phone is unlocked (not carrier locked)
3. Complete activation at t-mobile.com/activate
4. Get free 5G SIM upgrade at any T-Mobile store
Delivered in 1-2 days with Prime.
Activate any plan entirely online.
No store visit. No credit check for prepaid.
Works with any unlocked GSM phone.
Is "5G UC" showing on your phone? Test your real speed in 10 seconds.