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Pros and Cons

According to our expert

In this review, we explain in clear language where Proximus scores strongly and what points of interest you should take into account before choosing this all-in-one pack Proximus Flex+: Mega Fibre internet + landline + Mobile Flex+ Unlimited.

Pros

  • + You pay no activation or start-up costs.
  • + Well suited for remote workers and larger families with multiple connected devices.
  • + Enables simultaneous 4K streaming across multiple devices without significant slowdown.
  • + Designed for smooth multiplayer gaming experiences across multiple devices.
  • + Well suited for remote work, video conferencing, and regular online meetings.
  • + Allows you to broadcast your own live streams to platforms such as Twitch or YouTube.
  • + Recommended for unlimited use with no practical restrictions on calls or data usage.
  • + Provides access to the ultra-fast 5G mobile network for improved speed and responsiveness.
  • + Includes near-unlimited mobile data and call minutes for maximum flexibility.
  • + Allows you to transfer your existing phone number free of charge when switching providers.

Product score

3,4 / 5
Download
93%
Upload
100%
Data bundle
88%
Call bundle
100%
Network
75%
Calling to fixed line
100%
Calling to mobile
0%
Calling abroad
0%
Specifications

Product details & important information

Broadband
Download 500 Mbps
Upload 500 Mbps
Volume Unlimited
Connection Fiber
Phone plan
Number of SIM cards 1 SIM card
Data 400 GBUse in BE and EU
Data outside bundle Free
Calls Unlimited
Calling outside the bundle Free
Texts Unlimited
SMS outside the bundle Free
4G/5G network Proximus 4G & 5G
5G speed 1 Gbps
Landline
Call bundle Free national calls
Fixed telephony details Free calling to landlines
Monthly fee €76.99 /mo   after 6 months €106.99
Activation Free
Installation Free   instead of €79
Contract duration Indefinite
Notice period Indefinite
Available in Belgium
Target audience Consumer
Promotions

Which promotions & discounts are included?

If you order today, you will enjoy these promotions and discounts. Just make sure you adhere to the terms and conditions of the promotion. So be sure to pay your bills on time to avoid discussions afterwards.

Promotion valid until Sunday 1 November 2026.

Proximus web offer: 6 months’ discount on Flex+ Mega Fiber
+ Free activation
+ Free installation (depending on the line, by you or by a technician)

Conditions
  • Only for new Proximus customers
  • Offer valid during the first 6 months of your contract
  • Conditions: become a new Proximus internet customer. If fibre is not yet available in your street, you will get <b>Flex+ Go</b> with an internet speed of 100 Mbps and pay €7 less per month. As soon as fibre becomes available in your street, Proximus will switch you to fibre free of charge.
Cashback

€70 cashback

You will receive a one time cashback of €70. This cashback will be paid 3 months after your validated order.

Conditions
  • Only for new Proximus customers

Don't wait until the last minute!

Proximus may end a promotion earlier than expected, or ask for additional information. You will receive the promotion that is available on the moment that your order has been completely finalized.

Evert E.Evert E. — Telecom consultant

About Proximus

Who is Proximus?

Proximus is a Belgian telecom operator offering internet, mobile phone, digital TV and fixed telephone services. Individuals and families can choose standalone subscriptions or telecom packs that combine several services. Proximus stands out through its broad range of offers, its own fixed and mobile networks, and its focus on digital self-service through the website and the MyProximus app. This makes Proximus suitable for people who want to manage home and mobile telecom services with a single provider.

Comparison

Proximus Flex+: Mega Fibre internet + landline + Mobile Flex+ Unlimited vs competitors: Features and Pricing Compared

Forewarned is forearmed. Proximus Flex+: Mega Fibre internet + landline + Mobile Flex+ Unlimited serves as the benchmark product in this comparison. In which areas does Proximus Flex+: Mega Fibre internet + landline + Mobile Flex+ Unlimited outperform other all-in-one packs, and in which not so much?

Order requirements

Which information is required when ordering ?

When you want to order Proximus Flex+: Mega Fibre internet + landline + Mobile Flex+ Unlimited, you will need to provide some personal data, such as your name, address, contact and connection details. In addition, you must comply with the applicable order requirements of the provider. Both DareToCompare.be and Proximus treat your data carefully and securely, using them exclusively for the processing of your order.

  • Your identity card number

  • You must enter your birthplace.

  • A credit check will be performed by Proximus. You must not have any outstanding debt with Proximus (or affiliates). If this is the case; try to clear that debt first, or else try to take out the contract in your partner's or other relative's name (subject to their consent, of course).

Past promotions

What promotions have you missed?

Every promotion has an end date. That’s why we keep a historical record of expired discounts and promotions on Proximus Flex+: Mega Fibre internet + landline + Mobile Flex+ Unlimited. This gives you a better understanding of how prices, discounts and promotions have changed over time.

Show past promotions Hide past promotions
This promotion ran from 2 February 2026 to 30 September 2026

National offer: 6 months’ discount on Flex+ Mega Fiber
+ Online offer: an extra €10 off for 6 months
+ Free activation
+ Free installation (depending on the line, either self-installation or by a technician)

This promotion ran from 2 February 2026 to 30 September 2026

6 months’ discount on Flex+ Mega Fiber

+ Free activation

+ Free installation (depending on the line, by yourself or by a technician)

This promotion ran from 2 February 2026 to 2 August 2026

6 months discount on Flex+ Mega Fiber

  • Free activation
  • Free installation (depending on the line, by yourself or a technician)
This promotion ran from 2 February 2026 to 31 July 2026

National offer: 6 months’ discount on Flex+ Mega Fiber
+ Online offer: an extra €10 off for 6 months
+ Free activation
+ Free installation (depending on the line, either self-installation or by a technician)

This promotion ran from 2 February 2026 to 3 May 2026

National promo: 6 months discount on Flex+ Mega Fiber

  • Web promo: €-10 extra for 6 months
  • Free activation
  • Free installation (depending on the line, by yourself or a technician)

We go back up to 2 years

We have limited this overview to promotions from the past two years. Are you looking for information on older promotions? Contact us, and we will do our best to dive deep into our archives of the past 10 years. This information is purely for comparison with more current offers and as a historical reference overview. No rights can be derived from this.

Evert E.Evert E. — Telecom consultant