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