Asus ZC520TL (MT6737T) Unlock Bootloader by MTKclient

jrlaborda49
Enthusiastic Member

7

10-10-2023, 04:02 AM

#1

I have been trying to unlock bootloader using MTKclient. Unfortunately, the process always ends with the message "DA_handler - [LIB]: Unknown seccfg partition header. Aborting unlock."

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Verified Account

609

10-10-2023, 04:02 AM

#2

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maxpayne
Intern

3,953

11-10-2023, 05:58 PM

#3

(10-10-2023, 04:02 AM)jrlaborda49 I have been trying to unlock bootloader using MTKclient. Unfortunately, the process always ends with the message "DA_handler - [LIB]: Unknown seccfg partition header. Aborting unlock."

Its not supported then. That has propably been patched

Note!
We have a reply schedule for Free Support. Please upgrade to Private Support if you can't wait.

jrlaborda49
Enthusiastic Member

7

20-10-2023, 01:35 AM

#4

(11-10-2023, 05:58 PM)maxpayne
(10-10-2023, 04:02 AM)jrlaborda49 I have been trying to unlock bootloader using MTKclient. Unfortunately, the process always ends with the message "DA_handler - [LIB]: Unknown seccfg partition header. Aborting unlock."

Its not supported then. That has propably been patched

jrlaborda49
Enthusiastic Member

7

20-10-2023, 02:26 AM

#5

(11-10-2023, 05:58 PM)maxpayne
(10-10-2023, 04:02 AM)jrlaborda49 I have been trying to unlock bootloader using MTKclient. Unfortunately, the process always ends with the message "DA_handler - [LIB]: Unknown seccfg partition header. Aborting unlock."

Its not supported then. That has propably been patched

First of all, I would like to thank for feedback.
In fact, when use newest version (MKTClient-GUI 2.0) that message no longer appears. However, even when 100% of the process is indicated, device remains lock.
Would formatting with SPFTools have affected the secro partition (PMT)?

aaa

maxpayne
Intern

3,953

20-10-2023, 10:51 AM

#6

(20-10-2023, 02:26 AM)jrlaborda49 First of all, I would like to thank for feedback.
In fact, when use newest version (MKTClient-GUI 2.0) that message no longer appears. However, even when 100% of the process is indicated, device remains lock.
Would formatting with SPFTools have affected the secro partition (PMT)?

aaa

There's no reason to format anything in SP flash tool

Note!
We have a reply schedule for Free Support. Please upgrade to Private Support if you can't wait.

jrlaborda49
Enthusiastic Member

7

20-10-2023, 09:05 PM

#7

(20-10-2023, 10:51 AM)maxpayne
(20-10-2023, 02:26 AM)jrlaborda49 First of all, I would like to thank for feedback.
In fact, when use newest version (MKTClient-GUI 2.0) that message no longer appears. However, even when 100% of the process is indicated, device remains lock.
Would formatting with SPFTools have affected the secro partition (PMT)?

aaa

There's no reason to format anything in SP flash tool

jrlaborda49
Enthusiastic Member

7

20-10-2023, 09:51 PM

#8

Formatting happened when flashing, by SP tools, the currently installed ROM. Among the 3 flashing options offered, I thought "Format all + Download" would be the most appropriate.

maxpayne
Intern

3,953

23-10-2023, 10:10 AM

#9

(20-10-2023, 09:51 PM)jrlaborda49 Formatting happened when flashing, by SP tools, the currently installed ROM. Among the 3 flashing options offered, I thought "Format all + Download" would be the most appropriate.

I'm confused. Is the phone bricked?

Note!
We have a reply schedule for Free Support. Please upgrade to Private Support if you can't wait.

jrlaborda49
Enthusiastic Member

7

24-10-2023, 04:04 AM

#10

(23-10-2023, 10:10 AM)maxpayne
(20-10-2023, 09:51 PM)jrlaborda49 Formatting happened when flashing, by SP tools, the currently installed ROM. Among the 3 flashing options offered, I thought "Format all + Download" would be the most appropriate.

I'm confused. Is the phone bricked?

No.
Device was bricked, with Android O, but I used SP Flash tools to unbrick it by installing stock rom (M 13.0.1.33) successfully. Then, updates from M for N and N for O, all through stock recovery.
Due to performance, I chose to downgrade to M, which I did using SP Fash tools, directly from O to M. Problems arose in NVRAM (lost IMEI/SN)
Now I want root to facilitate repairs but I can't unlock the bootloader.

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