Discord J2ME 
To avoid account restrictions, use a version of the app that supports Direct connection, if available for your device. Read the guide before installing a version with Direct connection.
5.2 for Symbian S60v3 and up
with Direct connection via system-level TLS
JAD - JAR
5.2 for Nokia S40v3 and up
JAD - JAR
5.2 for Nokia S40v3 and up
with Direct connection via Java-based TLS
JAD - JAR
5.2 for Nokia S40v3 and up (128x160)
JAD - JAR
5.2 for Nokia S40v3 and up (128x160)
with Direct connection via Java-based TLS
JAD - JAR
5.2 for Symbian S60v2
JAD - JAR
5.2 for other MIDP2 devices
JAD - JAR
5.2 for Samsung (100 kB version)
JAD - JAR
5.2 for J2ME Loader
with Direct connection
JAR
3.2 for Nokia 3410/6310i (30 kB)
JAD - JAR