S-OFF and downgrading M7CDUG

I have been trying lately to go back to android 4.4.3 instead of lollipop on my M7 dual sim.. so far I found this is RUU

Code:

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OTA updates (for Android 4.4.3):
OTA_M7C_DUG_K443_SENSE60_MR_HTC_Nordic_6.13.402.2-5.17.402.6_release_389543.zip - 392.32 MB

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From this thread http://forum.xda-developers.com/show....php?t=2617159

My fastboot values:

Code:

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(bootloader) version: 0.5
(bootloader) version-bootloader: 2.49.0000
(bootloader) version-baseband: U3.19.3509.04
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 7.17.402.15
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) meid: 00000000000000
(bootloader) product: m7cdug
(bootloader) platform: HBOOT-8064
(bootloader) modelid: PN0771000
(bootloader) cidnum: HTC__J15
(bootloader) battery-status: good
(bootloader) battery-voltage: 3756mV
(bootloader) partition-layout: Generic
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-d0e3b226
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0

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According to the one who posted the RUU, my CID, phone model, version match, however, I saw some posts that I need to S-OFF in order to downgrade using a RUU so I kind of need help, or a some sort of guide.
Also, is it 100% sure that the OTA will work fine with my phone? Do I need anything else to be matching to downgrade using the RUU?

I have problems to S-OFF my M7

Hi everyone,

I need to S-OFF my M7 otherwise I'll have to buy a new phone, but I love it so I don't want to change it.

I'm on Android 5.0.2 so maybe I'm a bit too updated for most of the procedures to correctly work, maybe?
I tried RumRunner but it tells me to try another kernel or rom, since it will not work with my current setup.
I wanted to try MoonShine but I'm on 7.19.401.30, but only 1.29.401.16 and 1.29.401.13 are available.

What should I do in your opinion?

S-off htc 510

Hello,
I have a HTC 510 64 Bit. Unlocked Bootloader, Root

These are the details:
(bootloader) version: 0.5
(bootloader) version-bootloader: 3.19.0.0000
(bootloader) version-baseband: 01.02.012_U10251_39.08.40922
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 1.51.401.1
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) serialno: CC4ARY407614
(bootloader) imei: XXXXXXXXXXXX
(bootloader) imei2: Not Support
(bootloader) meid: 00000000000000
(bootloader) product: a11_ul
(bootloader) platform: hTCBmsm8916
(bootloader) modelid: 0PCV20000
(bootloader) cidnum: HTC__031
(bootloader) battery-status: good
(bootloader) battery-voltage: 0mV
(bootloader) partition-layout: Generic
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: 76ab61b5
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
(bootloader) mfg-name: 1001

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