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
UnlockBase is an incorporated company, we've been unlocking cell phones for 19 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. UnlockBase 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 13827 reviews
Our Last 4 Certified Reviews
L. O. on 03/26/2023
Had at&t service for years paid my bills on time. Had some issues and now they won't let me use my phone. Used UnlockBase.com and got unlock codes with no hassle. Fantastic! Thank you UnlockBase!
oscar on 03/20/2023
Exelente servicio. son los mejores. Mi celular a vuelto a vivir. Los recomiendo al 100% . Saludos desde Puerto Rico. Exelent service A++
Theodore day ll on 03/20/2023
At first I was kinda worried because yall was backed up so I thought I got scammed but I am 100 % happy and everything worked I highly recommend you guys thanks
David on 03/18/2023
After searching for days on how to unlock my phone and being quoted $50 or more I was skeptical when I got this code for my phone. First try it was unlocked. Thank you