You can apply at that stage, but you must meet the legal conditions.
3. In theory, lawyers can meet with criminal suspects indefinitely, but generally at most before the trial, and have the right to refuse unreasonable requests from family members or criminal suspects.
4. Twice is equivalent to losing a defense opportunity, and the probability of changing the judgment in the second instance will not be great.
5. The lawyer's fee standard can fluctuate up and down, but there is no stipulation that different grades charge differently.
6. Please reply when you know.