The latest firmware and an easy to understand tutorial for flashing those custom ROMs manually; we have them both at YouMobile. Just make sure that you download the right firmware for your model and you are good to go.
Device NameModelRegionVersionOS VersionBuild DateDownload
Galaxy J2 2018 (SM-J250F)
SM-J250F
BTC
J250FXXU2ARI1
7.1.1
28.09.2018
Download
SM-J730G
SM-J730G
MYM
J730GDXU5BRJ1
8.1.0
11.10.2018
Download
Galaxy J7 2017
SM-J730F
XSG
J7
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