PLDT DSL user here for 3 years. Changed the modem twice because of the intermittent connection. From plan 1,995 2 years ago of 512 kbps max 2 years lock in period to 999 512 kbps. If I didn't downgrade my connection speed will still be 512 kbps and I'll be paying 1,995. Ganun pala sa PLDT. If you have a lock in perion tapos in the middle of the period may change of plan rates hindi ka kasama sa pag increse ng speed.

By the way I'm in Pasay, Libertad area. Between 9am to 8pm slow, 8pm to 9am moderate to fast max 512 kbps.