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Jimm works on phones that can install Java ME / J2ME applications. The best candidates are Nokia Series 40, some Nokia Symbian / Series 60 models, Sony Ericsson K and W series, and certain Siemens, Motorola, Samsung, and LG phones. The model name is not the only thing that matters; the condition of the exact device is important too. Check the battery, charger, memory card support, file transfer method, and internet settings. ICQ on a feature phone needs network access and socket/TCP support because the client connects to the server directly. If your mobile operator no longer provides convenient GPRS/EDGE settings, use a phone with Wi-Fi or test Jimm through J2ME Loader on Android. For a collector experience, choose a phone with a comfortable keypad and readable screen because typing messages is half the fun. If the goal is only to test the client, Android emulation is faster. If the goal is nostalgia, a real Nokia or Sony Ericsson feels very different.
Java phones with a comfortable keyboard work best: Nokia Series 40/S60, Sony Ericsson K/W, some Siemens, Motorola, Samsung, and LG models. What matters most is JAR support, internet access, and a healthy battery.
Even a suitable phone is useless if it will not hold a charge, cannot receive files, or has no working internet profile. Check exactly these things before buying.
