4 ms·

I had a Sony Ericsson P800 in 2003: http://cdn2.gsmarena.com/vv/pics/sonyericsson/snp800_00.jpg http://cdn2.gsmarena.com/vv/pics/sonyericsson/snp800_00.jpg

• Tepix 10y ago
  I had one too. It had a pen, it was not really usable without it.