tecno spark 4 after emmc 90% consume solve , mobile run and restart after 30 sec solve by ssm follow guides step 1 fastboot devices 2. fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img 3. fastboot flash recovery recovery.img tecno spark 4 - https://www.mediafire.com/file/krg00132erpvjss/Tecno_Spark_4_KC2J_reboot_fix_files_created_by_ssm.rar/file inifinx hot 8 - https://www.mediafire.com/file/5odej69mlysyvbn/Infinix_hot_8_reboot_fix_file_by_ssm.rar/file file password is - ssm