Samsung Chromebook 4 BA41-02783D REV: 1.4 bios

[slugpoa]

Samsung Chromebook 4 corporate lock, I need these bios unlocked. I'd appreciate your help
Mode code: XE310XBA-KT3BR
BA41-02783D REV: 1.4
JAN-11/15 MAIN
XE310XBA-KT3BR
SN: 09WZ9QBT716759M

[Ghamidi]

Samsung Chromebook 4 corporate lock, I need these bios unlocked. I'd appreciate your help
Mode code: XE310XBA-KT3BR
BA41-02783D REV: 1.4
JAN-11/15 MAIN
XE310XBA-KT3BR
SN: 09WZ9QBT716759M

Step 1: Backup the System BIOS
Step 2: Flash the patched system BIOS and Turn on your Chromebook
Step 3: Switch to Dev Mode, hold (ESC + REFRESH + POWER button at the same time)
Step 4: After logging in, press (SHIFT + CTRL + ALT + R) and click RESTART
Step 5: After returning to the login screen, click POWERWASH.
Step 6: Follow the instructions that follow.

[slugpoa]

Step 1: Backup the System BIOS OK
Step 2: Flash the patched system BIOS and Turn on your Chromebook OK
Step 3: Switch to Dev Mode, hold (ESC + REFRESH + POWER button at the same time) OK
Step 4: After logging in, press (SHIFT + CTRL + ALT + R) and click RESTART
Step 5: After returning to the login screen, click POWERWASH.
Step 6: Follow the instructions that follow.

Step 3: Switch to Dev Mode, hold (ESC + REFRESH + POWER button at the same time) OK -->> After this it does not log in

[slugpoa]

LiLJC408 can you help me?