Don't Do that, actually its the software problem here is mine workaround I use
Follow step carefully
Step 1 - Go to dialer and dial *#*#4636#*#*
Step 2 - Select Phone Information
Step 3 - Scroll down, select preferred network type to WCDMA only.
Step 4 - Enable data
Step 5 - Enjoy HSPA+
Step 6 - Press Thanks if helped