I've ported the patch to Nuvi 1300 hwid 1104 swver 6.30 (MTK chipset). Flashed it with updater.exe and Routes option showed up Thank you kunix!

Credits to kunix for sharing.

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P.S. On this unit I got GIR MISMATCH VERSION error when I changed 3 places for version 6.31. So reverted to 6.30 and all is well.