How to see your old facebook messages

when you want to read your old facebook messages , you have to wait loading for along time
so we interested in this problem  .
if this loading makes you annoyed , you are in the right place .

to know how to read your old facebook messages, follow these steps :
Note :  use firefox browser to make this .
1.  open m.facebook.com/messages/

2. Log in and choose  your friend  that  you want to open his messages .

3. Right click on   See older messages and Choose open link in new tab 

4. Go to address bar and change ( page size ) to big number like 5000
i mean replace number 5 with 5000

Press enter