Yes, you can change the fonts size in Samsung Metro XL.
Yes, you can connect Metro XL with Bluetooth headset.
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.
Yes, Samsung Metro XL has 2MP front camera. You can take selfies from this phone.
2.8 Inch TFT LCD