I have samsung galaxy S2 X mobile which was working fine as well. Last day, my WiFi stopped working properly and various android experts suggested me to do a firmware upgrade. I was performing the firmware upgrade operation which was going properly. In between, an error message appeared in my screen which was something like "firmware upgrade encountered an issue. Please select recover mode in kies and try again". On the left hand corner, it says "ODIN MODE, Product Name: SGH-T989D, Custom Binary Download: No, Current Binary: Samsung Official". What should i do to get rid of this issue?