The DXLP7 is the official firmware for the Samsung Galaxy S II in the Philippines and many are asking on how on to gain root access for this firmware and the good news is that Chainfire released the CF-Root DXLP7. Before LP7 users used the CF-Root DXLPQ and there are some issue so I will guide you on how to root DXLP7 using CF-Root.
Warning: Perform at your own risk, rooting could possibly brick your device and void your warranty.
Prerequisite before rooting are as follows:
Back up your entire system this includes Contact, SMS, Call Logs, Apps, Music, Pictures etc. You can follow some back up procedure and tools, Here:
Check your firmware: Settings > About Phone > Kernel Version e.g 220.127.116.11-I9100DXKL3-CL814816 (DX is the country code)