Warning Don't Flash This Tar on a 2015 Model You May Hard Brick Your PhoneI'm Not Responsible if You Hard Brick Your PhoneMake sure that your Samsung Galaxy J700T1 is charged fully or above 80%.
Download ODIN for Windows or Odin For Mac and then install it on your PC
Notes :
Do not disconnect the USB cable while flashing process is running.
Install Samsung Mobile Driver or Samsung Smart Switch if you don't see a sign in Odin.
Flash your device at your own risk.
Flashing firmwares which contains more than one *.tar.md5 file will wipe all data on internal storage.
Flashing official/stock firmware won't increase the binary flash nor KNOX WARRANTY VOID counter and won't cancel the device's warranty.
Downloads :
Odin Samsung Mobile Driver From Here
http://odindownload.com/AP_J700T1UVU1APD3-Stock-Rom.tarhttps://www.androidfilehost.com/?fid=24588212152305142MD5 fd03a731813edf35836ec0b6c9685ba6