How can we help you?
Mobile
Choose a topic below and find the answer to your question.
Mobile offers
- Can I add, change, or remove options on my POP Mobile plan?
- I would like to modify my POP Mobile subscription contract while still under commitment. What are my options?
- Is the contract automatically renewed at the end of the commitment period?
- Are my VoIP calls included in my POP Mobile plan?
- Can you use the POSTandHOTCITY Wi-Fi network with your POP Mobile plan?
- Why can’t you add the ExtraVolume option?
- Can you sign up to various phone options to spread the cost of your device over several months?
- Do you have a prepaid plan?
- How do I recharge my Tiptop card?
- Is it possible to receive a TipTop card without identifying myself?
Options and services
- How can I track usage of my Around the World option?
- I would like to subscribe to a new Around the World option while my current option is still active. Is this possible?
- Can I use the Around the World Zone 2 option in several countries?
- Is it free to activate an Around the World option by SMS?
- Can I combine the Around the World option with other options?
SIM Card
- How do I activate the eSIM on iOS?
- How can I give a name to my plans?
- How do I choose a default phone number?
- How do I get my iPhone to remember which number to use?
- How do I change the phone number for a call?
- How do I send messages with iMessage or by SMS?
- Find out more about dual SIM status icons
- How do I change mobile data number?
- How do I manage my mobile data settings?
- How do I erase my eSIM card?
Phones
- What is Mobile Buyback?
- Who is Mobile Buyback for?
- How is the trade-in value of my smartphone determined?
- How will I be paid for my smartphone?
- What happens if I do not agree with my smartphone’s valuation?
- What does POST do with my old smartphone?
- Which handsets can be traded in?
- Does POST accept damaged or broken mobiles?
- Do I need to send accessories with my smartphone?
- Can I trade in more than one handset?
- What do I need to do before selling my smartphone?
- I’ve signed the Buyback Quotation in a shop, what should I do?
- What happens to my data?
- What happens if I leave my SIM card in my smartphone by accident?
- Who is Recommerce?
- What types of products are eligible for resale?
- Does my phone need to have a minimum value to be eligible for trade-in?
- What are the steps to sell my device?
- What are the requirements regarding the condition of the device?
- How do I send my device?
- Do I have to pay to send my phone?
- What happens after I send my phone?
- My device is protected by a passcode. Do I need to unlock it before sending it?
- What happens if I make a mistake about my smartphone model or its condition?
- How is the trade-in value calculated?
- How and when will I be paid?
- Who should I contact if there is a problem with the trade-in of my phone?
- Is assistance available to back up or delete personal data?
BusinessEurope business customers
5G
- What is 5G?
- What are the characteristics of 5G?
- What are the major differences between 4G and 5G?
- What speed can 5G reach?
- What does latency mean and what does it mean for 5G?
- What frequencies does 5G use?
- Is there a 26 GHz band in Luxembourg?
- What are the maximum emission thresholds for mobile networks in Luxembourg and who monitors them?
- Is the 3G network still available?
- Who is responsible for the deployment of 5G and the antennas in Luxembourg ?
- What are the applications of 5G?
- Is a Wifi network no longer necessary with 5G?
- Is 5G more effective than fiber optic?
- Is the use of 5G reliable and secure?
- Which measures, if any have been taken to ensure the security of the infrastructure and data disseminated?
- Does mobile telephony pose a risk to public health, animals, or the environment?
- Does 5G create more electromagnetic fields?
- Is 5G more dangerous than other connectivity technologies (3G,4G, WiFi, Li-Wi, Radio, DECT, Satellites, Babyphone, Bluetooth, etc.)?