Mr Auth Tool Firmware

CH6IS Firmware TECNO

TECNO CH6IS stock firmware (flash file) — 3 versions available. Use for software update, dead-boot / unbrick, FRP & region change via the appropriate flash tool.

Get CH6IS firmware
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Download CH6IS
Version / FileRegionAction
CH6IS-H6921C-S-COCL-250121V2170 COCL Get ›
CH6IS-H6921C-S-MXTC-221204V810 MXTC Get ›
CH6IS-H6921C-S-GTTG-LC-221111V166 GTTG Get ›
How to download: Click "Download CH6IS" → log in or register → 1 credit is deducted from your account and you receive a fresh, verified download link. New users can create an account to get credits.