You can store up to 1000 contacts in Metro XL. In addition, you can store up to 250 contacts in each of your sim card. So, if you are using 2 sim cards, in total you can store up to 1500 contacts.
You can set up to 10-speed dials in Samsung Metro XL.
No. Samsung Metro XL is a 2G mobile phone.
Yes, you can access emails on Metro XL.
Samsung Metro XL does have 128 MB internal memory.