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A guide on

How to upgrade your Starter Plan

Page last updated 31 Mar 2023

Banner - Guide - Tutorial - How to upgrade Zero1 Mobile Plan - Zero1 Mobile App

Upgrade your Starter plan to get more of the best of Zero1!

You’ve had a taste of Zero1’s services – from unlimited data to powerful data coverage – and you’re now ready to take the next step in your #ZeroLimits journey. Upgrade your Zero1 Starter plan today and get more data, more talk-time minutes, more SMS, and even 5G speeds when you follow this handy guide! 

Upgrade your Starter Plan with the mobile app

1. Launch the Zero1 Mobile App and login to your account

  • Login with your Zero1 mobile number and verify your login with a one-time password, or
  • Use your registered email address and password to login
Guide - How to upgrade your mobile plan_step 1

2. Select "Others" followed by "My Service Management"

Guide - How to upgrade your mobile plan_step 2

3. Select “Change Plan Now”, choose your new plan and select "Confirm"

  • A request confirmation email will be sent to you, followed by another email with your new plan details.
  • Please respond to the email with your new plan details to confirm your request to upgrade.
  • Once we’ve received your confirmation, your new plan will be activated in 5 to 7 business days and you will be notified via email.
  • Until then, you may check its activation status via your Zero1 account.
Guide - How to upgrade your mobile plan_step 3

4. Enjoy the best Zero1 has to offer!

With more data on Singapore’s most powerful network, you can now go out and make more memories without worrying every worrying of data limits!

Get to enjoy our current mobile plan promotions

We are running our Ultra Data Boost promotion mobile plan deals to upsize our current offerings. You can also get to enjoy these promotions in conjunction with the free preferred mobile number that we are offering to you. Here’s a breakdown of how much data you can get for each of the mobile plans.
Mobile planMonthly
total data
Base dataAdd-on data
for 12-months
1 GB data roaming*
monthly for 12-months
60u 5G120 GB60 GB60 GBYes
50u100 GB50 GB50 GBYes
Classic22 GB12 GB10 GBNo
You can also visit our mobile plan page to get the details for each of the plan

*The 1GB data roaming are for Malaysia, Indonesia or Thailand only. Roaming services are not applicable to foreigners at the moment.

Terms & Conditions

  • Plan upgrade is only applicable if your account is not suspended or blacklisted, and there is no outstanding balance
  • There will be no change to your billing cycle. Your bill will be pro-rated accordingly based on the date when your plan is successfully upgraded
  • Mobile plans are subjected to their respective terms & conditions
  • Zero1 reserve the rights to amend the terms & conditions of the contest, do check back on this page for the latest updates

Still having issues?

We are happy to help, just message us on Facebook or send us an email at yes@zero1.sg should you encounter any challenges. 

More information

Zero1 develops life solutions by making it #AllAboutYou, ensuring that you receive #OnlyTheBest of what we can offer so you may live your life with #ZeroLimits.

Zero1 is a licensed Mobile Virtual Network Operator (MVNO) that provides a number of mobile plans with unlimited data. Do check out our other offerings on the Zero1 website today.