[One (M8) Q&A, Help & Troubleshooting] IMeydey:
and that happend

D:\Programy\Android\sdk\platform-tools>fastboot flash zip M8_6.12.401.4_WWE_TWRP

2870.zip

target reported max download size of 1826418688 bytes

sending 'zip' (41749 KB)...

OKAY [ 3.377s]

writing 'zip'...

(bootloader) zip header checking...

(bootloader) zip info parsing...

(bootloader) checking model ID...

(bootloader) checking custom ID...

(bootloader) total_image_number=15

(bootloader) start image[adsp] unzipping & flushing...

(bootloader) [RUU]UZ,adsp,0

(bootloader) [RUU]UZ,adsp,11

(bootloader) [RUU]UZ,adsp,22

(bootloader) [RUU]UZ,adsp,32

(bootloader) [RUU]UZ,adsp,43

(bootloader) [RUU]UZ,adsp,54

(bootloader) [RUU]UZ,adsp,65

(bootloader) [RUU]UZ,adsp,76

(bootloader) [RUU]UZ,adsp,87

(bootloader) [RUU]UZ,adsp,98

(bootloader) [RUU]UZ,adsp,100

(bootloader) [RUU]WP,adsp,0

(bootloader) [RUU]WP,adsp,100

(bootloader) ...... Successful

(bootloader) current_image_number=0

(bootloader) start image[pg2fs_spcustom] unzipping & flushing...

(bootloader) [RUU]UZ,pg2fs_spcustom,0

(bootloader) [RUU]UZ,pg2fs_spcustom,23

(bootloader) [RUU]UZ,pg2fs_spcustom,45

(bootloader) [RUU]UZ,pg2fs_spcustom,67

(bootloader) [RUU]UZ,pg2fs_spcustom,88

(bootloader) [RUU]UZ,pg2fs_spcustom,100

(bootloader) ...... Successful

(bootloader) current_image_number=1

(bootloader) start image[recovery] unzipping & flushing...

(bootloader) [RUU]UZ,recovery,0

(bootloader) [RUU]UZ,recovery,6

(bootloader) [RUU]UZ,recovery,12

(bootloader) [RUU]UZ,recovery,19

(bootloader) [RUU]UZ,recovery,25

(bootloader) [RUU]UZ,recovery,31

(bootloader) [RUU]UZ,recovery,36

(bootloader) [RUU]UZ,recovery,67

(bootloader) [RUU]UZ,recovery,72

(bootloader) [RUU]UZ,recovery,78

(bootloader) [RUU]UZ,recovery,84

(bootloader) [RUU]UZ,recovery,90

(bootloader) [RUU]UZ,recovery,96

(bootloader) [RUU]UZ,recovery,100

(bootloader) [RUU]WP,recovery,0

(bootloader) [RUU]WP,recovery,96

(bootloader) [RUU]WP,recovery,100

(bootloader) ...... Successful

(bootloader) current_image_number=2

(bootloader) start image[rpm] unzipping & flushing...

(bootloader) [RUU]UZ,rpm,0

(bootloader) [RUU]UZ,rpm,100

(bootloader) [RUU]WP,rpm,0

(bootloader) [RUU]WP,rpm,100

(bootloader) ...... Successful

(bootloader) current_image_number=3

(bootloader) start image[sbl1] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1,0

(bootloader) [RUU]UZ,sbl1,100

(bootloader) signature checking...

(bootloader) verified fail

(bootloader) ..... Bypassed

(bootloader) current_image_number=4

(bootloader) start image[sbl1] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1,0

(bootloader) [RUU]UZ,sbl1,100

(bootloader) signature checking...

(bootloader) [RUU]WP,sbl1,0

(bootloader) [RUU]WP,sbl1,100

(bootloader) ...... Successful

(bootloader) current_image_number=5

(bootloader) start image[sbl1] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1,0

(bootloader) [RUU]UZ,sbl1,100

(bootloader) signature checking...

(bootloader) verified fail

(bootloader) ..... Bypassed

(bootloader) current_image_number=6

(bootloader) start image[sdi] unzipping & flushing...

(bootloader) [RUU]UZ,sdi,0

(bootloader) [RUU]UZ,sdi,100

(bootloader) [RUU]WP,sdi,0

(bootloader) [RUU]WP,sdi,100

(bootloader) ...... Successful

(bootloader) current_image_number=7

(bootloader) start image[sensor_hub] unzipping & flushing...

(bootloader) [RUU]UZ,sensor_hub,0

(bootloader) [RUU]UZ,sensor_hub,100

(bootloader) [RUU]WP,sensor_hub,0

(bootloader) [RUU]WP,sensor_hub,4

(bootloader) [RUU]WP,sensor_hub,8

(bootloader) [RUU]WP,sensor_hub,12

(bootloader) [RUU]WP,sensor_hub,16

(bootloader) [RUU]WP,sensor_hub,20

(bootloader) [RUU]WP,sensor_hub,24

(bootloader) [RUU]WP,sensor_hub,28

(bootloader) [RUU]WP,sensor_hub,32

(bootloader) [RUU]WP,sensor_hub,36

(bootloader) [RUU]WP,sensor_hub,40

(bootloader) [RUU]WP,sensor_hub,44

(bootloader) [RUU]WP,sensor_hub,48

(bootloader) [RUU]WP,sensor_hub,52

(bootloader) [RUU]WP,sensor_hub,56

(bootloader) [RUU]WP,sensor_hub,60

(bootloader) [RUU]WP,sensor_hub,64

(bootloader) [RUU]WP,sensor_hub,68

(bootloader) [RUU]WP,sensor_hub,72

(bootloader) [RUU]WP,sensor_hub,76

(bootloader) [RUU]WP,sensor_hub,80

(bootloader) [RUU]WP,sensor_hub,84

(bootloader) [RUU]WP,sensor_hub,88

(bootloader) [RUU]WP,sensor_hub,92

(bootloader) [RUU]WP,sensor_hub,96

(bootloader) [RUU]WP,sensor_hub,100

(bootloader) ...... Successful

(bootloader) current_image_number=8

(bootloader) start image[tp] unzipping & flushing...

(bootloader) ..... Bypassed

(bootloader) current_image_number=9

(bootloader) start image[tp] unzipping & flushing...

(bootloader) ..... Bypassed

(bootloader) current_image_number=10

(bootloader) start image[tz] unzipping & flushing...

(bootloader) ...... Successful

(bootloader) current_image_number=11

(bootloader) start image[wcnss] unzipping & flushing...

(bootloader) ...... Successful

(bootloader) current_image_number=12

(bootloader) start image[radio] unzipping & flushing...

(bootloader) trying to rename MBA

(bootloader) ...... Successful

(bootloader) current_image_number=13

(bootloader) start image[rcdata] unzipping & flushing...

(bootloader) ...... Successful

(bootloader) current_image_number=14

OKAY [ 61.533s]

finished. total time: 64.917s

D:\Programy\Android\sdk\platform-tools>

but after reboot nothing changed