hi, i'll just ask how many days the employer's...

In in the law section of JAWABKOM website, we are specialised only in providing legal advice and we have no relations with any other parties, whether private or public. On the other hand, and in regards of completing the procedures for obtaining a work visa and fixing the name of the sponsor on your visa, you should review the General Administration of Residence and Foreign Affairs and in general, and the ask about the issuance of work permit, you have the following:
We would like to inform you that Procedures for obtaining a residence permit shall be made after obtaining a work permit from the Ministry of Human Resources and Emiratisation, which entitles the holder to enter the UAE for the purpose of work then the sponsoring facility will arrange for the worker to obtain a residence permit within a period of 60 days, which includes a medical examination, a resident's identity card, a work card and a residence visa stamp on his passport, which indicates that the worker resides in the UAE by sponsoring the establishment

You can go to the General Administration of Residency and Foreigners Affairs and submit an application to install the name of the new employer on the visa

you should review the General Administration of Residence and Foreign Affairs and in general, and the ask about the issuance of work permit