Nkọwa: Palm OS 5.3 Simplified Chinese Edition wepụtara na Septemba 2003, gbakwunyere nkwado zuru ezu nke Simplified Chinese, nkwado ọzọ maka mkpebi QVGA, na API ọkọlọtọ maka Virtual Graffiti a na-akpọ Dynamic Input Area. A na-ebute mbipute a na Lenovo's P100 na P300 handhelds. Palm OS Garnet (5.4) gbakwunyere ọbá akwụkwọ Bluetooth emelitere na nkwado maka ọtụtụ mkpebi ihuenyo sitere na 160x160 ruo 480x320. E bu ụzọ nyefee ya na Treo 650 na Nọvemba 2004. Nke a mbipute webatara Garnet moniker iji mee ka ọ dị iche na Palm OS Cobalt 6.0.
Palm OS Garnet (5.4)