After 45 minutes of resetting, rebooting, and whispering sweet nothings to the SIM card, I discovered the real villain: .
Here’s the thing about the Yeacomm P21. It’s a beast of a budget 4G router—supports 32 devices, external antennas, the works. But like a race car on old tires, it needs software updates to handle carrier tower handoffs, IPv6 changes, and those random 3AM disconnects. i--- Yeacomm P21 Firmware Update
That blinking red light? That I--- on your connection log? It’s not the router dying. It’s just asking for a digital vitamin shot. After 45 minutes of resetting, rebooting, and whispering