Rom MK8.1 not work on Redmix 4x

Good evening. I have the following problem. on my Redmi 4x, the MK7.1 Rome is currently running. The update to MK8.1 will not run and via TWRP I get the error message.
Pic: www.spardas.com/Download/Screenshot_20180411-214218.png

E3004 This Packet is for santoni. this device is.update process ended with Error 7. Can someone help me?

thanks and greet Spardas

Android 8.1 changed the device verification method , if you want update to Android 8.1, then you need update your TWRP Recovery to 3.2.1 version, only this version can install it.

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Many Thanks. It worked. :slight_smile:

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