How to root & Unlock S4 SPH-L720 (OH1 & OK3) for Global GSM
1.) Power off phone completely. 2.) Hold Home and Volume-(down), keep them pressed and power the phone on. 3.) Press Volume+(up) when prompted to enter "Downloading Mode" 4.) Connect USB and wait for all drivers to finish installing. 5.) Flash L720VPUCOH1.idoneapps.com.tar.md5 in Odin3 "AP/PDA" slot. or Flash L720VPUCOK3.idoneapps.com.tar.md5 in Odin3 "AP/PDA" slot. 6.) After reboot repeat steps 1-3 to enter "Downloading Mode" and Flash cfautoroot in Odin3 "AP/PDA" slot. 7.) Proceed to unlocking Click for Instructions 8.) Be sure to do GCF Setting for S4 Click for Instructions
*Prerequisites* for (OH1) Odin3 Click to Download ChainfireAutoroot Click to Download Samsung USB Drivers Click to Download idoneapps Custom OH1 Click to Download Password (if needed)=idoneapps.com
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*Prerequisites* for OK3 Odin3 Click to Download ChainfireAutoroot Click to Download idoneapps Custom OK3 Click to Download Password (if needed)=idoneapps.com