How to Test SAMSUNG Galaxy J4+ - Test Mode / Hardware Test

Learn more info about SAMSUNG Galaxy J4+: https://www.hardreset.info/devices/samsung/samsung-galaxy-j4-plus/ Find out the way to get access to the hidden mode called Test Mode in order to test all Samsung features. In the presented video instruction, you will be able to learn how to open test mode and make sure that your SAMSUNG Galaxy J4+ works fine. Let’s follow our instruction and perform a test of all features easily. How to hardware test SAMSUNG Galaxy J4+? How to test SAMSUNG Galaxy J4+? How to enter hardware test mode in SAMSUNG Galaxy J4+? How to open testing menu in SAMSUNG Galaxy J4+? How to use hardware test on SAMSUNG Galaxy J4+? Follow us on Instagram ► https://www.instagram.com/hardreset.info Like us on Facebook ► https://www.facebook.com/hardresetinfo/ Tweet us on Twitter ► https://twitter.com/HardResetI