Ok, here is the rom for the Maxcell P7, full stock, no rooted, nothing strange installed on it.

You will need to have installed piranha box crack and the drivers for the correct working of the sofware. The rom has been tested for myself to many times ;)

Be carefull, this rom is only for Maxcell p7

Do not try to install it on another model because can brick it.

Here you can find a tutorial for installing piranha box crack and drivers:

How to install piranha box crack

Here you can download piranha box crack and drivers allocated on MEGA:

Piranha box crack and drivers

And here the rom or firmware :D :

Maxcell P7 Mega

You will need this to open the file on MEGA:

!DhIpb8QsSJz_QRmQ2IaCpJGZP4An-RJnr2Jom8g5vB4

You need to download the rar file and decompress it with this pass:

xricoxdrumsx

That's all.

Hope this be helpfull for to many people :D