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 13723 reviews
Our Last 4 Certified Reviews
Suzy Q on 02/03/2023
Wow! I am so happy with this service! FAST! In less than 12 hours my Samsung Galaxy S20 Plus phone that was locked to AT&T is UNLOCKED!!!!I love this service! Excellent Customer Service! Very Responsive!! I needed extreme hand holding. I'm not a tech person. I am Overjoyed!!! I absolutely recommend using Unlockbase.com to unlock your phone!!!! Thanks Again!!!!
Michael on 02/03/2023
Success! After countless other failed unlocking services, UB pulled through and got my phone unlocked.
I’ll definitely be coming back for any other unlocks.
Ruben on 02/02/2023
It takes a couple of days to get the code sent to you but it seriously works. Want you type it in it really does unlock your phone which allows you to use with any provider.
Ivo nakev on 02/01/2023
Много добър доставчик на уникални разкодиращи номера на заключени телефони