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--- packet:ninotnc [2026/02/08 14:35] – [Pinout] m0lte
+++ packet:ninotnc [2026/02/08 14:36] (current) – [Firmware] m0lte
@@ Line 361: / Line 361: @@
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-Use v3 firmware unless you know you have a 512kb chip, which is none of the OARC UK kits (i.e. ignore the v4 firmware - it's the same, but for the bigger chip).
+Use v3 firmware if you have a 256kb chip, or the v4 firmware if you have a 512kb chip. They are functionally identical, just tailored for the memory map of the device.
 If you get dire warnings about bricked TNCs, know is this highly unlikely. Unplug TNC, reboot system, plug TNC, try again.