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I unlocked the NUU S6303L with Pandora Tool. The phone unlocks, but then relocks to carrier in about 24 hours. What is the issue?
Selected model: Mediatek Mediatek
Operation: Unlock network
Software version: 5.13
Work ID: 12050285

Connect phone in BROM/PRELOADER Mode
Waiting for device... OK
Driver: [MediaTek Inc.,wdm_usb,MediaTek USB Port_V1632,usb2ser.sys,3.0.1504.0]
Device found at COM6 [BROM]
Open port... OK
Send start cmd... OK
Get HW code from device... 0699
Get sec config... OK [00000000]
Get HW & SW version from device... OK
HW VER: CB00, SW VER: 0002, HW SUB CODE: 8A00
Detect chip [MT6739]
Library Version [2]
Select platform... OK
Init BROM... OK
Force Charge... OK
Disable WatchDog Timer... OK
Release testpoint, waiting 2 seconds
Advanced Bypass Security... OK
Waiting for device... OK
Driver: [MediaTek Inc.,wdm_usb,MediaTek USB Port_V1632,usb2ser.sys,3.0.1504.0]
Device found at COM6 [BROM]
Open port... OK
Send start cmd... OK
Get HW code from device... 0699
Get sec config... OK [00000000]
Get HW & SW version from device... OK
HW VER: CB00, SW VER: 0002, HW SUB CODE: 8A00
Detect chip [MT6739]
Library Version [2]
Select platform... OK
Init BROM... OK
Force Charge... OK
Disable WatchDog Timer... OK
Reopen port for libver2... OK
Get ME ID... OK
ME_ID =  0xC7780BA7, 0x4AF33033, 0xFB4D0320, 0xBF0EB9FA
Get Chip ID... [MT6739]
Get SOC ID... [185220A2C397A9AE0FD98204CDC837B669C08924B1A0B3EFF4EC5E80790C1B1F]
Get sec config... OK [00000000]
Load DownloadAgent... OK
Search DA... OK [1]
Send preloader... OK
Start preloader... OK
Checking preloader answer... OK
Send bootloader... OK
Start bootloader... OK
Wait for answer from bootloader... OK
Send SYNC signal... OK
Setup device enviroment... OK
Setup device parametres... OK
Receive DA SYNC signal... OK
Set DA parametres... OK
Get device connection agent... [BROM]
Get device info... OK
EMMC_ID: 0x90014A484247346132E420F04D28431F
Load EMI from phone... OK
Parse EMI config... OK
Init EXT RAM... OK
Send 2nd DA... OK
Get device info... OK
EMMC INFO:
   EMMC_CNAME: HBG4a2
   EMMC_ID   : 0x90014A484247346132E420F04D28431F
   EMMC_BOOT1: 0x0000400000 (4.00Mb)
   EMMC_BOOT2: 0x0000400000 (4.00Mb)
   EMMC_RPMB : 0x0000400000 (4.00Mb)
   EMMC_USER : 0x0747C00000 (29.12Gb)
RAM INFO:
   INT_SRAM: 0x0000020000 (128.00Kb)
   EXT_RAM : 0x00C0000000 (3.00Gb)
Checking USB status... USB_HIGH_SPEED
Read partitions info from phone... OK
Checking A/B state... OK [A]
Read product info... [EXT4] ... OK
Product Brand        : NUU
Product Manufacturer : NUU
Product Model        : S6303L
Product Name         : A9L
Product Device       : S6303LA
Product Board        : NUU
Board Platform       : mt6739
Build ID             : RP1A.200720.011
Build Date           : Thu Jul 14 12:28:30 CST 2022
Display ID           : S6303L-DH-R-MV03203-01
Security Patch       : 2022-06-05
Version SDK          : 30
Version Release      : 11
Version Codename     : REL
Firmware Version     : 1657773029
Userdata FS Type     : EXT4
Read security partition from phone... OK
Read security files... OK
Read security files... OK
Read lock info... OK
Unlock... OK [DF1, UN]
Write lock info... OK
Write security partition to phone... OK
Network Unlock done!
in General questions by (120 points)

1 Answer

0 votes
Hello. What carrier? Provide screenshot of lock.
by (201k points)

Carrier is GenMobile/DSH.

 

Unlock again and disable ota.
The issue is the system update / updating to the latest version will break the unlock.

 

How do I stop OTA? No option on the phone settings.
Try to freeze some apk according to ota.
Updating the device to the latest update and unlocking fixed the issue. Not all updates break the unlock.

I want to ask another question but the system will not let me. Says I can only ask 1 question per 24 hours. I have not asked a quest in the last two days.
Can you please make this unlock permanent? Other tools already have it permanent.
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