Codes to launch various factory tests:
*#*#0283#*#* – Packet Loopback
*#*#0*#*#* – LCD test
*#*#0673#*#* OR *#*#0289#*#* – Melody test
*#*#0842#*#* – Device test (Vibration test and BackLight test)
*#*#2663#*#* – Touch screen version
*#*#2664#*#* – Touch screen test
*#*#0588#*#* – Proximity sensor test
*#*#3264#*#* – RAM version
Tajinder Kalsi
Tajinder Singh Kalsi is the co-founder and Chief Technical Evangelist at Virscent Technologies Pvt. Ltd. He is well known and respected in the professional community. He commenced his career in the year 2006 with Wipro.
He is no stranger to technology. In fact, his family and friends would call him a Technology Fanatic. Having a work experience of more than 6 years, he understands, identifies, and forecasts future technological trends with proven accuracy and is very passionate about his work. He always looks for challenges and opportunities in the technological space, and strives to work on exciting products/services.
He is just 28 and a very vital cog in our wheel and also the propeller for our Technical Team. With more than 3000 friends on Facebook he is one of the most popular member of Team Virscent.
sir these are not working in my phone (my phone is rooted and it is running on custom made android 2.3.3 rom)