iPhone 3GS not turning on!

i have iphone 3gs not turning up. charged 2 hours , tried connecting itunes. neither works. phone down black screen , no detection in my macbook or itunes.

happened second time. happened previous phone 2 months back. kinda misplaced phone don't care it. 1 came same issue. need badly.

fyi, using same simcard slot in phone (which used in previous one). should creating problem. tried hard reset. help! urgent help!

 

try holding home , power button down 20-30 seconds.

 

Forums iPhone, iPad, and iPod Touch iPhone iPhone Tips, Help and Troubleshooting

• iPhone
• Mac OS & System Software
• iPad
• Apple Watch
• Notebooks
• iTunes
• Apple ID
• iCloud
• Desktop Computers
• Apple Music
• Professional Applications
• iPod
• iWork
• Apple TV
• iLife
• Wireless