From last 2 days my network show E ………. Why???

Name of Complainant	Muskan sayyed
Date of Complaint	October 16, 2021
Name(s) of companies complained against
Category of complaint	Internet Services
Permanent link of complaint	Right click to copy link
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Text of Complaint by Muskan sayyed:

My airtel network show E .. Not 4G and my net is not working… I want solution.. Please help

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Consumer Complaints Court