Check your phone's warranty status
Find out the warranty expiry date and tech support eligibility
- Fast, affordable, official warranty check
- Recommended if buying or selling a used phone
- Discover free tech support eligibility
doctorSIM reviews
Video: How to unlock a phone
FAQs
Why unlock your phone with doctorSIM?
REPUTATION
The recommended method by the phone manufacturers and network providers.
GUARANTEE
The simple, fast, safe and legal way to unlock your phone.
SAFE
This method is permanent and doesn’t void your phone’s warranty.
SECURE
Your phone never has to leave your side.
EASY TO USE
Continue using your phone during the unlocking process.
SUPPORT
First-class customer support available 24 hours a day by telephone, chat and e-mail.
VERSATILE
You will be able to use your phone with any network provider in the world.
EXPERIENCE
Backed by over 5 million successful unlockings to date.
Check if your phone has been blacklisted in our proprietary database. Limited query.
Get your comprehensive Blacklist report from the GSMA Assoc within minutes. Detailed country and carrier information included.
Verify if your iPhone is locked or not before placing your unlocking order.
Find out if your phone can be unlocked.
Recommended before buying a used phone.
Find out if your phone can be unlocked.
Recommended before buying a used phone.
Perform this check before you decide to buy or network unlock an iPhone.
Find out to which network your phone is locked so you can submit your unlocking request.
Find out if the Xiaomi Mi Account is on.
Quick and official Xiaomi check.
Check if your phone has been blacklisted in our proprietary database. Limited query.