After Reverting To Stock Firmware unable to Reset MR7350

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var88
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Joined: 08 Jan 2026
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PostPosted: Thu Jan 08, 2026 21:18    Post subject: After Reverting To Stock Firmware unable to Reset MR7350 Reply with quote
I am seeking assistance with a Linksys MR7350 that is behaving inconsistently after attempting to revert from DD-WRT to Stock firmware.
Current Status:
I followed the Wiki instructions to revert to stock.
The Linksys GUI is accessible at 10.108.1.1, but it refuses to perform a Factory Reset.
Old WiFi credentials and my previous GUI password persist even after holding the Reset button.
Manual package installation via the 'CA' link fails to apply.
I can still rollback to the DD-WRT partition using the 3-power-cycle method.
Goal:
I want to completely wipe the firmware/NVRAM and perform a clean install of the Linksys factory image. How can I force a full wipe of the persistent settings that are preventing the factory reset from sticking?

Thank you.

Screenshot 2026-01-08 150907.jpg
 Description:
Error, when tring to flash or update.
 Filesize:  56.23 KB
 Viewed:  8052 Time(s)

Screenshot 2026-01-08 150907.jpg
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kernel-panic69
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PostPosted: Thu Jan 08, 2026 21:36    Post subject: Reply with quote
var88 wrote:
I followed the Wiki instructions to revert to stock.
....
I can still rollback to the DD-WRT partition using the 3-power-cycle method.

If you followed the instructions, DD-WRT wouldn't be on either partition.
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var88
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Joined: 08 Jan 2026
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PostPosted: Thu Jan 08, 2026 21:49    Post subject: Reply with quote
kernel-panic69 wrote:
var88 wrote:
I followed the Wiki instructions to revert to stock.
....
I can still rollback to the DD-WRT partition using the 3-power-cycle method.

If you followed the instructions, DD-WRT wouldn't be on either partition.


Thnak you for the quick response, do i need to rename the img file to factoryfilename.img, from FW_MR7350_1.1.7.209317_prod.img
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kernel-panic69
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PostPosted: Fri Jan 09, 2026 0:28    Post subject: Reply with quote
No filename rename required...
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var88
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Joined: 08 Jan 2026
Posts: 3
PostPosted: Fri Jan 09, 2026 14:33    Post subject: Reply with quote
kernel-panic69 wrote:
No filename rename required...


Please find the below error message, after that it is booting to firmware but not with default settings. Using old configuration only.

Code:
┌─[✓]─[root@DD-WRT:192.168.4.1]─[/tmp]
└─fw_printenv -n boot_part
1

┌─[✓]─[root@DD-WRT:192.168.4.1]─[/tmp]
└─mtd -e linux2 -f write FW_MR7350_1.1.7.209317_prod.img linux2
Unlocking linux2 ...
[flash] : Could not unlock MTD device: linux2
linux2: No such file or directory
Erasing linux2 ...
Writing from FW_MR7350_1.1.7.209317_prod.img to linux2 ...  [w]



┌─[✓]─[root@DD-WRT:192.168.4.1]─[/tmp]
└─cat /proc/mtd
dev: size erasesize name
mtd0: 00180000 00020000 "sbl1"
mtd1: 00100000 00020000 "mibib"
mtd2: 00380000 00020000 "qsee"
mtd3: 00080000 00020000 "devcfg"
mtd4: 00080000 00020000 "rpm"
mtd5: 00080000 00020000 "cdt"
mtd6: 00080000 00020000 "appsblenv"
mtd7: 00180000 00020000 "appsbl"
mtd8: 00080000 00020000 "art"
mtd9: 00900000 00020000 "wififw"
mtd10: 00080000 00020000 "ethphyfw"
mtd11: 00080000 00020000 "u_env"
mtd12: 00040000 00020000 "s_env"
mtd13: 00040000 00020000 "devinfo"
mtd14: 05200000 00020000 "linux"
mtd15: 04a00000 00020000 "rootfs"
mtd16: 05100000 00020000 "linux2"
mtd17: 04900000 00020000 "alt_rootfs"
mtd18: 00100000 00020000 "nvram"
mtd19: 00200000 00020000 "sysdiag"
mtd20: 00400000 00020000 "oops"
mtd21: 04000000 00020000 "ddwrt"
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