Jamshed made 55 off 46 balls and along with Akmal added 79 runs for the third wicket. Akmal made 32 off 26 balls with the help of a four and a six.
Abdul Razzaq's 22 off 17 balls also helped Pakistan in reaching close to the 150-run mark while left-arm seamer Mitchell Starc was pick of the Australian bowlers with brilliant figures of 3 for 20 in his four-over spell.
Put into bat, Pakistan skipper Mohammed Hafeez was the first one to walk back to the dug-out when Starc's inswinging delivery caught him plumb in-front after he had made only four.
The normally fluent Imran Nazir struck a couple of boundaries but was out in the most disappointing manner when he closed the face of his bat to a tame full toss from Shane Watson and was caught in the mid-off region.
At 29 for two, Kamran and Jamshed got together and resurrected the innings. Initially, the duo depended a lot on singles and twos but after getting set, hit some breathtaking shots.
Jamshed pulled a bouncer from Pat Cummins in a superb fashion behind square for his first six with the ball landing in the stands.
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He also slogged left-arm spinner Xavier Doherty over deep mid-wicket for his second six. A lofted drive over Watson's head for a one bounce four was also pleasing to the eye.
Kamran, who hasn't had a good time with the willow, finally got some runs under his belt. A six off Hogg over long on showed that the controversial glovesman was ready to prove his critics wrong.