Ok, let me share a scenario with u guys.

You bought SGS2 rm1899, after 5 years its only worth RM100 at market value, I think is doesnt matter!

Since the gadget price will drop, the technology also will improve time to time.
If 5 years later u can only claim RM100, maybe with topup RM100 u can buy a new hp which same spec with your 5 years old SG2.
Because at that moment, market value for RM1899 is a phone with QuadCore 3.5 processor, 16G RAM and 7' XXX OLED can use it as hot plate to BBQ also.

So decide yourself whether u wanna claim back a 1.2 dualcore or buy a new future phone above!