[newbie] writing rom on SM-J100H, how to?

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New member
Dec 14, 2022
[ROM][SM-J100H][09-06-2021][Stable] CyanogenMod 11 MicroG For Samsung Galaxy ‏J1

Hi to all, I'm newbie with old branded SM-J100H with Android 4.4.4.
I would write rom I found in this forum to upgrade Android version.

I have no way to do this.
I've been searching for several guides on the net, none working.
I can detect device (only this) using adb.
I can't put device in recovery mode (tested several combinations of home-power-volume up bottons, none working).
I also enabled "developer options" menu, but missing "oem unlock", I've read "due to TIM operator branded phone".
Any ideas? Thanks.
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