The good news? Updating the firmware is free, takes about 10 minutes, and can feel like getting a brand-new router.
For most of us, the little black box in the corner of the room is “set it and forget it.” But if you own the trusty , ignoring it can lead to slow speeds, connection drops, and even security vulnerabilities.
If your TL-WR840N is working perfectly, you have no security concerns, and you never experience dropouts, you can leave it alone. But for 99% of users, especially if your router is more than two years old,
