Forums > Travel Yunnan > fly using yellow paper

Yeah I've done it (both plane and bus) and it's definitely doable! Just get back to Kunming before your yellow paper expires.

Forums > Living in Kunming > Buying SIM card

For China Unicom you have to go to Liantong Dasha 联通大厦 downtown: map.baidu.com/[...]

For China Mobile you can go to this one: map.baidu.com/[...] (though I head they've been slow helping foreigners lately)