Updated October 2026 by the Go Mobile repair team
Unlocking removes the carrier lock so your phone works with another carrier’s SIM or eSIM. Flashing reinstalls the phone’s software to fix a phone stuck on the logo, in a boot loop or after a failed update. Go Mobile unlocks and flashes phones at 5600 Albemarle Rd in East Charlotte. Bring the phone in for a free quote. In the US it is legal to unlock a phone you own.
What phone unlocking means
Many phones bought through a carrier are locked to that carrier. A locked phone shows an error or no service when you insert another carrier’s SIM. Unlocking removes that restriction, so you can switch carriers, use a local SIM when you travel, or sell the phone for more.
In the United States, unlocking a phone you own is legal under the Unlocking Consumer Choice and Wireless Competition Act of 2014.
How to check if your phone is locked
- iPhone: go to Settings > General > About and look at Carrier Lock. “No SIM restrictions” means it is unlocked.
- Android: the easiest test is to insert a SIM from a different carrier. If you see a “SIM network unlock PIN” or no service message, the phone is locked.
Ask your carrier first
Most major carriers unlock a phone for free once it is paid off and meets their requirements, such as being active on the account for a set time. If your phone qualifies, contact your carrier. If it does not, or you bought the phone used, bring it in and we will check your options.
What phone flashing means
Flashing means reinstalling the phone’s operating system or firmware. It can fix a phone that:
- Is stuck on the Apple or Samsung logo
- Restarts over and over (a boot loop)
- Froze during a software update
- Has software errors that a restart and a reset do not fix
Flashing can erase the phone, so back it up first if you can. Our guide on backing up your phone shows how. On iPhone, try a force restart first, which sometimes fixes a frozen phone without erasing anything.
Carrier lock vs. Activation Lock
A carrier lock is different from the anti-theft locks built into phones. iCloud Activation Lock on iPhone and Google Factory Reset Protection on Android are tied to the owner’s account. They are removed by signing in with that account, or by contacting Apple or Google with proof of purchase.
Bring your phone in
Bring the phone to Go Mobile at 5600 Albemarle Rd, Suite 600, Charlotte, in East Charlotte near Sharon Amity Rd and Central Ave. You get a free quote before any work begins. If you have it, bring the name of your current carrier.
Upgrading instead? We also buy and trade in phones. For hardware problems, see iPhone repair or Samsung repair.
Frequently asked questions
Do you unlock phones?
Yes. Go Mobile unlocks phones at our store at 5600 Albemarle Rd in Charlotte. Bring the phone in for a free quote.
Is it legal to unlock my phone?
Yes. In the United States, it is legal to unlock a phone you own.
How do I know if my iPhone is unlocked?
Go to Settings > General > About. If Carrier Lock says No SIM restrictions, it is unlocked.
Will flashing my phone delete my data?
It can. Back up first if the phone still turns on.
Can you remove iCloud Activation Lock?
Activation Lock is tied to the owner’s Apple Account. It is removed by signing in with that account or by contacting Apple with proof of purchase.
Need a phone unlocked or flashed?
Get a free quote at Go Mobile, 5600 Albemarle Rd, Suite 600, Charlotte. Walk in or book a drop-off time online.