Reply To: Latest Beta Firmwares for DSL-AC51 to DSL-N66U incl. DSL-AC750 Latest DSL ASUSWRT firmware v9.1.2.3_502-g2bdb05b now available. (latest firmware’s are at end of threads) For following ASUS DSL Modem Routers: DSL-AC51 DSL-AC52U DSL-AC55U DSL-AC56U DSL-AC750 DSL-N10-C1 – (extended beta support…

[lostcause]

DSL-AC51 running Beta_790 – runtime maximum of 17 days.

After 14 – 17 days runtime the router locks up and needs a HARD reset.
Last time I looked after 16 Days, free RAM was down to 5 MB.

One other thing, the router does not power up by itself after a power outage, firmware update or memory lock-up. It just hangs.
To get it going again I have to press and hold the reset button and power it up for 30 seconds so that it goes into to rescue mode. Power off and repeat the same, press and hold the reset button and power it up for 30 seconds.  Only then after 2 or 3 rescue mode attempts it powers up normally again. The router retains its settings.
I have 5G radio disabled, maybe that’s causing it ?

So I ended up with a router that stops working after max 17 days, and wont boot anymore (even after a power-cycle) which is a major annoyance. ;-(

edit: new firmware is here

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