Unfortunately, modem with hardware V4.3 can not be updated to software V5.xx with dashboard. The software became too large in size for this. You should use DFU to update modem software, as shown earlier in this topic, or here:
For the hardware 4.3, you not need to short cirquit any pins as shown in topic by link, but you must toggle the dip switch marked "2" in position "on" to enter DFU mode.
Frequent questions asked online, offline, in forums are answered here
Who is online
Users browsing this forum: No registered users and 4 guests