Question: what is the difference between iphone fu and gpp?
Answer: GPP unlocked is unlocking option that uses "GPP" chip to read any SIM. (Ex. for Smart Locked iPhone, you can use GPPLTE chip so you can openline the phone and use it for other network sim like Globe, TM, etc.) Semi-FU is unlocking technique to read any SIM, just like GPP unlocked, but no GPP chip needed.