When I order an Unlock Code for my Samsung SM-J400M, what will I receive?
We provide you with the Unlock Code to permanently unlock your Samsung SM-J400M.
In case your Samsung SM-J400M requires multiple Unlock Codes, all Unlock Codes necessary to unlock your Samsung SM-J400M are automatically sent to you.
We also provide detailed instructions on How To Unlock your Samsung SM-J400M. In most cases the procedure is very easy:
Our Support Team is there to help with any questions you may have, please feel free to contact us anytime!
How to Unlock Samsung SM-J400M?
Insert SIM card from a source different than your original Service Provider (i.e. if you have a Rogers phone, use a non-Rogers SIM card),
Phone will ask you to enter Sim unlock pin
Enter unlock code
Phone will be unlocked
Any suggestion? Want to help us improve our Guideline to unlock Samsung SM-J400M ? or those are not accurate ? Please contact us
Cellular Webs is an incorporated company, we've been unlocking cell phones for 17 years now and strives to provide the best service for our clientele.
All products, and company names, logos, and service marks (collectively the "Trademarks") displayed are registered® and/or unregistered trademarks™ of their respective owners. Cellular Webs is not associated with or sponsored by Samsung. The authors of this web site are not sponsored by or affiliated with any of the third-party trade mark or third-party registered trade mark owners, and make no representations about them, their owners, their products or services.
Why Purchase From Us?
Permanent Factory Unlock
Full Permanent Unlock (All Levels)
100% Money back guarantee
24/7 Customer support team
Fastest turnaround of delivery
Simple instructions provided
Rated 4.9 out of 5 from 12250 reviews
Our Last 4 Certified Reviews
Vic on 12/03/2021
it took a little bit longer than I wanted, but the number worked and now I can use my phone without having to change services or purchase another phone
I will possibly use this company again when in need of another unlocked phone.
Trimal Accra on 12/01/2021
I was skeptical at first because I had some trouble with other sim unlocking sites sending me the incorrect code and not refunding but came through and in less than a day also. Would highly recommend it!
Andre W. on 11/30/2021
Unlockbase is very simple, reliable and quick. I have been using them for the past six years. I have unlocked over a dozen phones using them up to this moment and I have been 100% satisfied every single time. I trust no other service with my unlocking needs. Keep up the good work guys.
Martin alto on 11/30/2021
I have been using unlockbase for more than 6 years and it always works great for me I recommend it to anyone trying to unlock their phone