S
SapphireEx
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I just downloaded the B12 update from Google plus.
Just Google zmax pro update and find it..simple..
After extracting it the meta-inf folder gave some insight.
But no way to repack without signature oem key..
Be aware, the MetroPCS variants are B08, B14, and B20. Tmobile uses different numbers. I wouldn't recommend updating to a different carrier.
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