_____________ (School Name),
_____________ (School Address)
Date: __/__/____ (Date)
Subject: Mobile number updation for online classes
With due respect, I am a student of ______ (class) class of your school. My name is _____________ (Name) and my admission number is ___________. My roll number is _______________ (Roll Number).
I am writing this letter in order to request you kindly update the mobile number required for online classes. The reason being, ____________ (lost previous SIM card / previous SIM not working/ Number not available /any other) along with mobile phone ______ (Mention your reason) and due to which I am unable to study using the online platform ________ (online education platform name). My new contact number is _________ (New contact number/Contact number to be updated). The contact number currently in your database is _________ (Previous mobile number).
I request you to update my number as early as possible so that I will not have to miss any online classes. I shall be obliged.
Yours __________ (Truly/Obediently),
____________ (Student Name),