johnboscoville

Administrator
Staff member
#1
This method works on about 60% new m028T with board serial L02C17XXXX-XXX. This method has been adopted due to unavailable firmware's to solve FBF error. Not all L02C17xxx gives such error and so users should take note.
It works greats on most 3g networks and some 4g network. However, there exist limitations in 4g/LTE BANDS


MORE ABOUT NTIM AND OBMI (boot files of DEVICE)

WARNING
You should know what you are up to; don't mess with file size during editing




MORE ABOUT FBF VERSION AND RELATED SOLUTION

NTIM and OBM
On bootup, the Boot ROM loads the OBM from storage memory to internal SRAM and hands control to it. The OBM reads the content of the Non-Trusted Image Module (NTIM) and searches for a DDR configuration package. If one exists, the OBM uses the information in the NTIM to configure the MCU. The NTIM can be customized for specific DDR devices by changing the register values. The sequence in which these registers are arranged in the NTIM description file is the same sequence in which these registers are programmed by OBM. The following is an example section of the NTIM Descriptor file that relates to DDR configuration.


NTIM binary can be generated from the NTIM description file using the latest WTPTP release package available on the Marvell extranet at:
My Products/Cellular & Handheld Solutions/Applications Processors/ARMADA 16x (ARMADA 16x - 88AP16X)/Software > WTPTP
Alternatively, an existing NTIM binary can be modified using a hex editor. Figure 3: "Example DDR Package within the NTIM Binary File" shows the DDR information in the NTIM binary. Starting at address 0x110 (in Figure 3) is a list of ID/value MCU
register pairs. For convenience, the registers IDs are shown on the right side of Figure 3.
Ensure the file size is not altered if editing the binary NTIM file.




CHECKS
• The dashboard must have 3g, 4g only, 4g/LTE and auto mode in other to function
• Dashboard with 4g only is likely NOT supported. I have tested on 4g only dashboards doesn’t seem to work
It works on L02C16XXX



WARNING
1. This method creates dashboard instability
2. Login data somehow not maintained and some users will have persistent login problems


SOLUTION
If wireless login problem persists; try login with USB cable; “admin” or default password and modify wireless settings manually

REQUIREMENTS
1. WTPTP DRIVERS
2. LTE GENERIC MIFI DRIVERS
3. MIFITOOL



GUIDE

1. Files Needed

marvell-unlock-files-png.371


2. Install WTPTP Driver

wtptp-install-png.379


3. Install LTE Generic driver see tut here


4. Run Mifitool

mifitool-png.372


5.

mifitool-imei-change-png.373


6.

mifitool-com-port-png.375


7.

tut11-png.376


8.

tut12-png.377


9.

tut13-png.378


10.
Insert battery non-default sim card and battery, power on the device and insert USB cable

Log in to the dashboard using "admin" or default login password

Locate Network Mode and set to Auto

Network Displayed

Unlock Done

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Credit to Droid Peeps and His team for this great Tut.
Extended, modified, and tested by GHCorner.com
 
Last edited:

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