@David-TP Noted, thanks a lot, David.

@David-TP Hello David, Thanks for your prompt response. 1.May I know who your SIM operator is? The operator is Maxis Communications 5G (Malaysia) 2. Would Deco X50-5G turn red during the...

Unfortunately, after the upgrade of firmware, the situation doesn't improve.

Hello David, Thanks for your suggestion! Already installed the 1.2.1 firmware, and will monitor the situation for a while.

Purchased the unit about 3 weeks ago, sometimes the communication was interruped, saw CPU 100 on the Deco App, there was daemon.err and user.err in system log. What's the possible issue? err entries...