Repair Tips & Guides
Expert advice on repairs, costs and devices from our certified technicians.
Porting Your Number From T-Mobile or Verizon to AT&T
The carrier-specific exit manual: exactly where the Transfer PIN lives in the T-Mobile and Verizon apps, when in your billing cycle to jump, what happens to unpaid installments, and how to confirm the old account really closed.
Phone Says 'No Service'? Here's How to Fix It
Work the ladder before you panic: airplane mode, restart, SIM reseat, carrier settings, network reset — plus eSIM failure cases, how to tell a SIM problem from dead radio hardware, and when a free diagnostic settles it.
How to Activate an eSIM on AT&T
Step-by-step AT&T eSIM activation for all three scenarios — new line, porting in, or moving to a new phone — with fixes for stuck transfers and dead old phones.
eSIM vs Physical SIM: Which Should You Use?
eSIM or physical SIM? A plain-English comparison of phone switching, dual SIM, travel, and security — plus why US iPhones no longer have a SIM tray at all.
Best Options for Calling China From the US
WeChat covers most calls home — until Mom's landline rings. Here's when you actually need real international calling, which carrier options fit, how to dial 011+86, and the combo setup that costs the least.
Bring Your Own Device to AT&T: Full Guide
Your phone can probably come with you. The two gates it must pass (unlocked + compatible), how to check the IMEI, the honest BYOD-vs-financed math, and the free in-store check that settles it before you commit.
AT&T Prepaid vs Postpaid: Which Is Right for You?
The real differences between AT&T prepaid and postpaid — credit checks, network priority, roaming, family discounts, and device deals — and when each one wins.
AT&T Family Plan Guide: Save on Multiple Lines
How AT&T multi-line pricing really works — why four lines can cost roughly half per line versus one — plus who belongs on your plan and how to set it up in one visit.
How to Switch to AT&T and Keep Your Number
The complete number-porting playbook: get your account number and Transfer PIN, never cancel first, and let an AT&T authorized retailer handle the rest in 15 minutes.
New to the USA: How to Get a Phone Plan (Chinese)
No SSN, no credit history? The prepaid route gets new immigrants and students a working US number the same day — plus prepaid vs postpaid, family-plan savings, and the traps to avoid.
