CAT B15Q Stock Rom 100% Tested Without Password

Every firmware archive contains the four partitions UBOOT, BOOTIMG,
RECOVERY and ANDROID (/system). These are flashable using spFlashTool, a
howto is here:

Please note that these firmware files were dumped from an EMEA B15Q,
dual-sim – there are reports of other models being available under the
B15Q model name. In doubt, always make a full backup using spFlashTool’s
readback mode before flashing one of these. (You should be doing these
anyway before every firmware upgrade, CAT doesn’t test stuff like
compatibility with root!)

Credits for the scatter file go to bigal1337. Credits for spFlashTool
and the driver package go to Russian website

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