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Guide_3DS/docs/public/gm9_scripts/uninstall_cfw.gm9
lily b3696dedd0 uninstall-cfw: script name, safety test ref.
- Change script name to "uninstall CFW" (the term 'hax' to refer to b9s is not common in normal 3ds community vernacular, and this aligns with the page name)
- Add reference to safety_test as an additional 'wait up' measure
- Fix uncapitalized step in Section VII
2025-03-07 18:31:25 -08:00

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set PREVIEW_MODE "Uninstall CFW Script\n\nDerived from\nGODMODE9 ALL-IN-ONE MEGASCRIPT\noriginally by annson24"
if not ask "!!WARNING!!\nThis will completely remove CFW and\nrevert your system to stock.\nPLEASE make sure you have run the Safety Test\nAT LEAST ONCE before running this script.\n \nIf the safety test was unsuccessful,\nuninstalling CFW will 100% BRICK, GUARANTEED.\n \nProceed anyway?"
goto Exit
end
if not chk $[HAX] "ntrboot"
if not ask "!!WARNING!!\nntrboot not detected!\nYou should at least have ntrboot or a hardmod\nwith you before proceeding in case of brick.\n \nProceed anyway?"
goto Exit
end
end
if chk -u $[ONTYPE] "N3DS"
goto Unhax_Old
end
if not sha S:/sector0x96.bin 82F2730D2C2DA3F30165F987FDCCAC5CBAB24B4E5F65C981CD7BE6F438E6D9D3
if not find 0:/boot9strap/secret_sector.bin SECRET
if not find $[GM9IN]/boot9strap/secret_sector.bin SECRET
echo "Sector 0x96 is not genuine.\nYou must have the secret_sector.bin file in the\nboot9strap folder first then try again.\n \nAborting."
goto Exit
end
end
if not allow -a S:
echo "Permissions denied. Aborting."
goto Exit
end
cp -n -w S:/sector0x96.bin $[SECRET].bak
cp -n -w $[SECRET] S:/sector0x96.bin
if not sha S:/sector0x96.bin 82F2730D2C2DA3F30165F987FDCCAC5CBAB24B4E5F65C981CD7BE6F438E6D9D3
echo "Sector 0x96 can't be restored properly! Aborting!"
goto Exit
end
end
if not find 1:/title/00040138/20000002/content/????????.app NATIVE_NCCH
echo "NATIVE_FIRM not found.\nIs this a N3DS?"
goto Exit
end
goto Actual_Unhax
@Unhax_Old
if not find 1:/title/00040138/00000002/content/????????.app NATIVE_NCCH
echo "NATIVE_FIRM not found.\nIs this an O3DS?"
goto Exit
end
@Actual_Unhax
imgmount $[NATIVE_NCCH]
verify G:/exefs/.firm
shaget G:/exefs/.firm@0:200 NFIRM_HDR_HASH
set NATIVE_FIRM 9:/NATIVE_FIRM.firm
cp -w G:/exefs/.firm $[NATIVE_FIRM]
imgumount
if allow -a S:
allow -a 1:
cp -n $[NATIVE_FIRM] S:/firm0.bin
shaget S:/firm0.bin@0:200 FIRM0_HDR_HASH
if chk -u $[FIRM0_HDR_HASH] $[NFIRM_HDR_HASH]
echo "FIRM0 got corrupted during uninstallation! Aborting!"
goto Exit
end
verify S:/firm0.bin
cp -n $[NATIVE_FIRM] S:/firm1.bin
shaget S:/firm1.bin@0:200 FIRM1_HDR_HASH
if chk -u $[FIRM1_HDR_HASH] $[NFIRM_HDR_HASH]
echo "FIRM1 got corrupted during uninstallation! Aborting!"
goto Exit
end
verify S:/firm1.bin
rm -o -s 1:/boot.firm
rm -o -s 1:/rw/luma
shaget S:/nand.bin@57FFE00:200 PRE_STAGE2_HASH
if not sha S:/nand.bin@B800000:200 $[PRE_STAGE2_HASH]
fget S:/nand.bin@57FFE00:1 PRE_STAGE2
fill S:/nand.bin@B7FFE00:89C00 $[PRE_STAGE2]
end
echo "CFW uninstalled successfully."
else
echo "Permissions denied. Aborting."
end
@Exit