Problem with B130 1GB ram, Quad core, 4Gb internal storage.

Hi, I bought a GR5 KII-L22 from a person who installed the B310 with Emui 4.0 but the phone lost the signal and showed onky 1 imei (different from both of the box) so I installed The B130 and got working signal and dual sim even itshows 1 imei only, the thing is also showing 1GB Ram, resolution 540*960 and 4GB of internal storage, I can not find a method for the bootloader unlocking and lost 4.75$ on dc unlocker but I put the wrong imei to get the firmware key (it doesnt show the read bootloader unlock code)

ay fix for my issue?

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