Sharp rise in prices of smartphones burdens consumers in Karachi
<p>• Average cost of mobile phone with 4GB RAM and 64GB storage has risen to around Rs40,000 compared to Rs22,000 a few months ago<br /> • Dealers say while govt taxes have not increased significantly, rising cost of chips is affecting rates of new handsets<br /> • Market survey shows lower, middle-income groups hit hardest<br /> • Consumers say abrupt price