Even with current firmware, 2.4GHz performance can be inconsistent. Some third-party firmware communities (like OpenWrt) specifically warn about persistent 2.4GHz issues on this hardware revision. Feature Availability: tplink archer c5 v4 firmware update
If none of that works, contact TP-Link support. The Archer C5 v4 has a 2-year warranty in most regions. Even with current firmware, 2
, a periodic check for updates is essential to patch security vulnerabilities and fix annoying connection drops. Even with current firmware