Can't log into facebook

Hi! I’m struggling so so much with this, and it’s driving me mad. Last night I used a third-party app to look at my insights and stuff, but soon after discovered that such apps aren’t always trustworthy, so I logged out, and uninstalled it. I’ve always been logged into my account from my phone and iPad, but ever since last night, I get logged out of one device if I log into the other. It’s never been like this. I was always able to be logged into the account from both devices simultaneously, no problems whatsoever. After I uninstalled the Instagram followers analysis app I changed my password in fear that the app had access to my account. I’ve changed my password again since then, am able to...

Hi ccm support; My Facebook account has been locked, I get the following error. How can I solve, Thanks. Ahmet, your account has been locked
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We saw unusual activity on your account. This may mean that someone has used your account without your knowledge. Account locked December 19, 2022 To protect you, your profile is not visible to people on Facebook and you can't use your account.
----------------------------------------------------------------- What can I do? Try coming back on a phone or computer you’ve used to log into Facebook before.

Hello, I am getting  "you need the official whatsapp to use this account android" when i try to login in WhatsApp using my number. I downloaded WhatsApp from official Play Store. I even tried downloading apk from official website and installing. I even formatted the phone and tried again. Still i am getting same results. I tried contacting WhatsApp support but they are saying to use official WhatsApp. If someone know how to resolve please help me out. 

Hello,

Hello Facebook team
Sir my personal account has been disable I'm a real person this is my real account and I have my personal data in this account I'm sending my data please check it and open my facebook account.
Facebook Name ****
E-mail :- ***@***
Number- ****
Date of birth :- 30/05/1994.

We received your information
If we still find that you're not old enough to be on Facebook, your account will remain disabled. This is because your account doesn't follow our Terms of Service.

We're always looking out for the security of people on Facebook, so until then you can't use your account.

Hello,

I am unable to log into my Facebook. It says that my password is wrong. I have tried resetting it many times and it never sends me the email with how to reset it. When I try resetting it from my mobile phone, the error message says, it's wrong.

I have also emailed Facebook for help!

Please help me!