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This is the same recovery version of the OP on XDA, but this is really slower to format any EXT4 partition. Because this have secure erase enable that cause it format of system or cache to take up to 200+ seconds to finish and doesn't bring any improvement to the partition. But i leave this here if any one wanna to try. Download the below link to faster format... https://www.androidfilehost.com/?fid=24052804347805630