Fixing Wi-Fi Problems on Your Phone
Most Wi-Fi issues clear up by working through the right steps in order — before you reach for a full reset.
Can't connect to a network
If your phone won't join a network, start with the simplest check: get the password directly from the router and re-enter it carefully, watching for typos or stray spaces. If the "Connect" button stays greyed out, that usually means the password you typed is shorter than what the router expects — double-check it at the source rather than guessing. Next, check for a pending software update on the phone, and do the same for the router's firmware — outdated firmware causes more connection failures than people expect. If the problem continues, reset the phone's network connections before considering a full factory reset as a last resort.
Connection keeps dropping
Repeated drops usually have a simpler cause than they seem. Start by turning off background Wi-Fi scanning, then remove the saved network from the phone and set it up again from scratch — this alone fixes a good share of unstable connections. Restarting the router (unplugged for about 30 seconds) also clears many temporary network-side glitches. If drops continue, a few router-side settings can help: disable the lower band on a dual-band router, switch the network's encryption from a plain WPA password to WPA-PSK, or set a fixed Wi-Fi channel (channel 6, for example) instead of automatic channel selection.
Hotspot problems
If the hotspot won't turn on at all, check first that cellular data is on and Data Saver is off — these are the two most common and most easily missed causes. If another device can't connect to your hotspot, make sure you have a strong cellular signal, and confirm the password and encryption type match on both ends. If it's still stuck, a full disconnect-reconnect cycle — turn off the connection on the other device, turn off the hotspot, restart the other device, wait a minute, then turn everything back on in order — resolves most of the remaining cases.
If none of this fixes it
If all of these settings check out and the problem still won't go away, it may point to a hardware issue with the phone's Wi-Fi antenna rather than a software setting — especially on a phone that's several years old. At that point, comparing your current phone against newer models can help you judge whether an upgrade makes more sense than repeated fixes. See today's best-ranked smartphones to compare.