Procedure to do:
1. We downloaded the firmware of the xiaomi that has antirollback, in the description of the file, there are the xiaomi and models that have such protection.
2. Unzip the file and in the image folder, double click or enter it and replace the loader or firehose that comes by default and remove it and put the loarder or fireheose auth boot and flash.
For failures or errors that cause miflash, as I always say it is not advisable to use, search the internet professional software that is in that way that can be used without box or dongle and so you will not have problems when flashing.
xiaomi with antirollback protection: XIAOMI MI 5S CAPRICORN, XIAOMI MI 5S PLUS NATRIUM, XIAOMI MI 6 SAGIT, XIAOMI MI 6X_A2 WAYNE, XIAOMI MI 8 DIPPER, XIAOMI MI 8 LITE PLATINA, XIAOMI MI 8EE URSA, XIAOMI MI 8SE SIRIUS, XIAOMI MI 8UD EQUULEUS, XIAOMI MI A2 JASMINE, XIAOMI MI A2 LITE DAYSY, XIAOMI MI MAX 2 CHIRON, XIAOMI MI MAX 3 NITROGEN, XIAOMI MI MIX 2S POLARIS, XIAOMI MI MIX 3 PERSEUS, XIAOMI MI MIX LITHIUM, XIAOMI MI NOTE 2 SCORPIO, XIAOMI MI NOTE 3 JASON, XIAOMI MI PAD 4 CLOVER, XIAOMI POCO F1 BERYLLIUM, XIAOMI REDMI 6 PRO SAKURA, XIAOMI REDMI NOTE 5 PRO WHYRED, XIAOMI REDMI NOTE 5 WHYRED, XIAOMI REDMI NOTE 6 PRO TULIP, XIAOMI REDMI S2_Y2 YSL.
Remember, test point and flash in edl mode.
Keep in mind that from version 10.0 miui and according to the security patch, the edl mode is layered, you need until a solution is found for a xiaomi authorization account.