It is not necessary to use a proxy to log in, using a normal network is fine.

The password can be changed, but it is not allowed to replace the email in the account, if you replace it or delete it, it will make the account suspicious, leading to lock.

Step 1: Fake IP to Philippines (May not be necessary)
Step 2: Access the following path:
https://www.facebook.com/help/contact/649167531904667
Step 3: Select the ad account you want to add the tag to
Step 4: Select "I have a question about payment method" (line 3)
Step 5: Select "Add payment method" (line 1)
Step 6: Select Next "Add payment method now" and fill in card information
(You can add a virtual payment card before adding your main payment card - Buy a virtual payment card outside the homepage at a very cheap price.)

After you pay you will be redirected to "Purchase History" which contains all the transactions you have purchased, open your transaction will see the account information.

Usually not, but if your account is working fine and you have a lot of successful bills, you can contact the Facebook team to help increase your spending limit.

This problem is quite easy to solve, you just need to log in to your account on your phone then go to Pages and republish the page. Or visit the link m.facebook.com to republish the Page.

Yes, you can completely change the language after logging in. By this link: https://www.facebook.com/settings/?tab=language

Only use a verified profile, or a resistant profile for check, and the Page must be Puplish.