Reliance Jio Infocomm unveiled its much-anticipated 4G-enabled feature phone, JioPhone. To be virtually be free for users, the handset will be open to pre-registrations from August 24, and the device will go on sale in September, initially to those who pre-registered. The official Jio portal has put up a 'Keep me posted' banner where you can submit your details to stay updated on the progress around JioPhone.

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