does iphone modle MD 638 LL/A support LTE in pakistan

Hello Muhammed Abullah Gul,
Thank you for using Apple Support Communities.
To recap, you’re wanting to know if a LTE connection is possible in Pakistan using an iPhone.
For this question, you'll want to contact your carrier. The reason for this is that they would be able to tell you what cellular data speeds are available in your area.
See Wireless carrier support and features for iPhone in Asia-Pacific.
Let us know if you have any questions, and again thank you for using Apple Support Communities.
Have a great day!