Realme 5 showing big battery with cross sign

[underscoredash]

So, first my Realme 5 goes to bootloop and fastboot mode was not opening and it was showing the following error.

I took it to Realme care and they returned the phone saying its fastboot is not opening. Now the phone is showing the following. What to do?

Please help

 

[CjConvento]

charge your phone
boot to fastboot mode then apply boot destroyed fix

Fix Boot Destroyed Error

📌 Why this error?-> You might encounter this error when you try to reboot to system after flashing a Rom (RUI/OSS vendor based rom more importantly) but you didn't flash vbmeta disabler or vbmeta image. 📌 How to fix this error?-> There are three possible ways:1. Go to fastboot mode and try to...

telegra.ph

 

[CjConvento]

you don't need to repair it from realme center
it's just kernel or vbmeta partition broken

 

[underscoredash]

you don't need to repair it from realme center
it's just kernel or vbmeta partition broken

Can I recover my data from phone? Also fastboot is not opening. I thing fastboot is also crashed. What should i do?