You need to give Celio the ruby and sapphire gem, the ruby is in mt ember and the sapphire is in dotted hole but when you get the sapphire you have to go to five island and go inside the rocket warehouse and defeat a scientist who stole the sapphire from you.
In Mt Ember.
After fixing the Network Machine on One Island, you can trade a Mudkip from Pokemon Ruby or Sapphire. You can't catch a Mudkip in Pokemon FireRed.
In Pokemon firered you can't, but in Pokemon leafgreen you can get it then trade it to Pokemon firered.
There is no Pokemon convention in firered.
To get Pokemon firered on PC download a vba and Pokemon firered ROM
Yes there are shiny Pokemon in firered
Perhaps the game is not working properly try finishing the Pokemon league again.
It is not possible to get a ninth badge in Pokemon FireRed. You can only get eight badges in Pokemon FireRed.
You cannot get it in Pokemon FireRed. It doesn't matter because it is not necessary in Pokemon FireRed.
The stone is not for evolving.You need it to restore the Pokemon Network Center, after that you can trade with Ruby Version.
The Pokemon day care for Pokemon Leafgreen/Firered is on island 4. You have to beat the elite 4 and get the machine on island 1 working to go there.
Celebi cannot be found in Pokemon FireRed. The only way to get Celebi in Pokemon FireRed is receiving it from an event distribution. These events are sadly no longer supported for Pokemon FireRed.