Hi Amelia,
My name is Diego Rios and am currently Field Manager in Guatemala. We are currently testing some Nokia, Alcatel, LG, and Samsung phones here in Guatemala through our partner institution TulaSalud (
www.tulasalud.org) and hope to update our website later this month.
Below are a list of additional phones that we have realized work well with CommCare here in Guatemala:
LG L7
LG L5
Alcatel 909
Alcatel 908
Samsung Galaxy 2
Also keep in mind that you should also pick the phones based on areas your working in, power accessibility, and needs on the field.
Hope that helps!
Diego