[Question] Update and roll back

[brunonoda]

I'm new in this world of Android, I have some questions and need help.

I have a H7500 + and did the update to 4.2.1 ROM DzhYn Custom 4 'Glass Mod'.

Now I was trying to install the ROM Lewa 10 MAY 2013. I went into recovery mode, update with SD and selected the Lewa ROM. The phone crashed and does not start.

So I went back in the same place and loaded the ROM 4.2.1 DzhYn Custom 4 'Glass Mod' for cellular back up and running.

what procedure should I take to try to install these other ROMs?

How do I install the original ROMs, for example, the Official 4.2.1 Zopo 24 APR 2013?

I appreciate any help.

[ChrisX]

You MUST do a full wipe before flashing another custom rom! CWM or TWRP - > wipe dalvik, wipe cache, wipe data/factory reset! Than you can flash another custom rom! If you dont wipe, you will get bootloop!
Original stock rom you must flash with spflashtool!

[brunonoda]

Thank. I´ll try this way.