Softly-hard brick on Tecno Camon 20, MTK Helio G85. Help me.

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Hello! Please, help me to unbrick my MTK device.What I can do:Go to FastbootGo to PreloaderGo to BRomWhat I can't do:Boot into systemFlash in Fastboot, as it is locked.Boot into recoveryFlash in SP FlashTool, because my phone has SLA/DAA and no one of bypasses I tried don't worked.How to unbrick this phone?