[Samsung Gear S3] adfree:
I have success with rooting and editing rootfs.img :cyclops: :cool:

I will do some tests before I will upload my result... for study.

Result have limitations... :rolleyes:

- not for daily use...

- experimantal

- NOT stable...

- own risk

Changes I made:

A.

Removed 256 Byte Signature (RSA2048) at end of rootfs.img...

+ 16 Byte Software Revision "info"

B.

su is inside + changed Certs

sdb root on
sdb push .\GearS3root\su /opt/usr/media/Others
sdb push .\GearS3root\fingerprint_list.xml /opt/usr/media/Others
sdb push .\GearS3root\partner_root.pem /opt/usr/media/Others
sdb push .\GearS3root\platform_root.pem /opt/usr/media/Others
sdb push .\GearS3root\public_root.pem /opt/usr/media/Others
sdb push .\GearS3root\tizen-developer-root-ca.pem /opt/usr/media/Others
sdb push .\GearS3root\tizen-developers-root.pem /opt/usr/media/Others
sdb push .\GearS3root\tizen-distributor-root-ca-partner.pem /opt/usr/media/Others
sdb push .\GearS3root\tizen-distributor-root-ca-partner-manufacturer.pem /opt/usr/media/Others
sdb push .\GearS3root\tizen-distributor-root-ca-partner-operator.pem /opt/usr/media/Others
sdb push .\GearS3root\tizen-distributor-root-ca-public.pem /opt/usr/media/Others
sdb push .\GearS3root\tizen-partner-class-developer-root.pem /opt/usr/media/Others
sdb push .\GearS3root\tizen-partner-class-root-authority.pem /opt/usr/media/Others
sdb push .\GearS3root\tizen-platform-class-developer-root.pem /opt/usr/media/Others
sdb push .\GearS3root\tizen-platform-class-root-authority.pem /opt/usr/media/Others
sdb push .\GearS3root\tizen-public-class-developer-root.pem /opt/usr/media/Others
sdb push .\GearS3root\tizen-public-class-root-authority.pem /opt/usr/media/Others
sdb shell mount -t ext4 -o loop,rw /opt/usr/media/Others/rootfs.img /opt/usr/media/Others/2
sdb shell rm /opt/usr/media/Others/2/usr/share/wrt-engine/fingerprint_list.xml
sdb shell cp /opt/usr/media/Others/su /opt/usr/media/Others/2/bin
sdb shell cp /opt/usr/media/Others/fingerprint_list.xml /opt/usr/media/Others/2/usr/share/wrt-engine
sdb shell cp /opt/usr/media/Others/partner_root.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cp /opt/usr/media/Others/platform_root.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cp /opt/usr/media/Others/public_root.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cp /opt/usr/media/Others/tizen-developer-root-ca.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cp /opt/usr/media/Others/tizen-developers-root.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cp /opt/usr/media/Others/tizen-distributor-root-ca-partner.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cp /opt/usr/media/Others/tizen-distributor-root-ca-partner-manufacturer.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cp /opt/usr/media/Others/tizen-distributor-root-ca-partner-operator.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cp /opt/usr/media/Others/tizen-distributor-root-ca-public.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cp /opt/usr/media/Others/tizen-partner-class-developer-root.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cp /opt/usr/media/Others/tizen-partner-class-root-authority.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cp /opt/usr/media/Others/tizen-platform-class-developer-root.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cp /opt/usr/media/Others/tizen-platform-class-root-authority.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cp /opt/usr/media/Others/tizen-public-class-developer-root.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cp /opt/usr/media/Others/tizen-public-class-root-authority.pem /opt/usr/media/Others/2/usr/share/cert-svc/certs/code-signing/tizen
sdb shell cd /opt/usr/media/Others/2
sdb shell sync
pause
sdb shell cd /
sdb shell umount /opt/usr/media/Others/2

rootfs.img created with my rooted SM-Z130H...

So no special Format as I thought before...

C.

I have edited 1 text string... :D

Later more + upload...

rootfs.img is taken from LDU... Live Demo Unit SM-R760X

Best Regards