Base from the description of your problem this is a clear sign of a problem with the router,what you can do here is to upgrade or reflash the firmware of the router, you can get the firmware from Blink website and if still the same after doing that the router is already having a hardware problem and better have it replace.
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Base from the description of your problem this is a clear sign of a problem with the router,what you can do here is to upgrade or reflash the firmware of the router, you can get the firmware from Blink website and if still the same after doing that the router is already having a hardware problem and better have it replace.