The vulnerability can be exploited via Wi-Fi when developer mode is active or via a computer USB connection, the manufacturer said
"If I cannot make money on handsets, I will not be in the handset business."
The credit is extended to any new device, including the BlackBerry Q10 or the Z10
BlackBerry criticized T-Mobile in February for pushing iPhones to BlackBerry customers.
The company only sold 1.1 million smartphones running the BlackBerry 10 OS
The phone will be released first in Indonesia and later in other markets in Asia; an LTE version is planned for the rest of the world.
John Chen announces a new version of BES, free licenses for customers switching, and new pricing.
The messaging service will be available on the phones this summer
The two companies have been trading harsh words for a week, and now T-Mobile is offering a $200 credit to trade in their Blackberrys.
T-Mobile's promotion was 'clearly inappropriate and ill-conceived,' said BlackBerry CEO John Chen