FP1(U) frequency bands
[Source] (Made availabel by the Internet archive now.)
FP2 frequency bands
[Source] (Made availabel by the Internet archive now.)
FP3 frequency bands
[Source for 2G, 3G and 4G-Bands] — [Source for 4G-Frequency-Bands]
How to check the frequencies
Thanks to @Irina_Spitznagel!
That page - in general - is working for all phones all over the world!
Another page for general information: Worldtimezone.com
PS.: This is a wiki post, feel free to contribute to it, by clicking the green pencil above.