Do not simply put aside a notice about higher monthly costs or a switch to another mobile plan. Depending on the contract, it may be a price increase, a change to the services or a so-called plan migration. These cases have different consequences for cancellation, a possible objection and number portability.
It is important to understand that a price change does not automatically mean you can leave the contract free of charge at any time. Conversely, you do not have to accept a unilateral change without checking it. The provider’s notice, your original contract and the General Terms and Conditions (GTC) applicable at the time are decisive.
First clarify: what exactly is changing?
Read your provider’s message in full. The key information is often not in the subject line but in the footnotes or linked document. Save the notice as a PDF or screenshot, including the date and sender.
Check these points in particular:
- What is becoming more expensive? The monthly base price, additional options, roaming, calls abroad or individual service fees may be affected.
- When does the change take effect? Note the exact announced date.
- Which service is changing? More data or additional services do not necessarily make an offer suitable if you do not need them.
- Is your existing plan being replaced? With a migration, your current product may be discontinued and transferred to a new offer.
- Does the provider mention a right to object or cancel? Observe the deadline and requested contact channel.
- Is there a minimum term or instalment payment for a device? These obligations may continue despite changing plans.
A migration is not always just a price increase. Some providers adjust product names, data limits or included services. What matters to you is the overall effect: is your plan more expensive, less useful or are you receiving services you did not order?
Therefore, compare the announcement with your latest bill and contract documents. You can find an overview of current offers in the mobile plan comparison. A price comparison alone does not replace checking your cancellation rights.
Read the contract, GTC and notice correctly
Find your contract, order confirmation and the GTC that applied when you signed up. If you can no longer find the documents, request them from the provider in writing. Also save the current version of the GTC so that you can track changes.
Look for provisions concerning:
- price and service changes
- the notice period for contract changes
- objections and extraordinary cancellation
- the ordinary cancellation period
- the minimum contract term
- costs if the contract ends early
- linked devices, instalment payments or discounts
Mobile providers often state in their contract terms that they may adjust prices or services under certain conditions. Whether and how you can respond depends on the specific clause and type of change. A simple label such as “price adjustment” therefore does not yet answer whether cancellation free of charge is possible.
Consumer protection organisations advise people affected by price increases to check the contract terms and provider information carefully. Swisscom also publishes price information and details of changes on a dedicated information page. The provider’s communication is therefore important evidence, but not the only evidence: your contract and the GTC applicable when you signed up also remain relevant.
Ordinary cancellation, objection or extraordinary cancellation?
These terms are often confused. The distinction matters for your decision.
| Option | What it means | What you need to check |
|---|---|---|
| Ordinary cancellation | You end the contract on the next date permitted by the contract. | Observe the cancellation period, minimum term and formal requirements. |
| Objection | You state that you do not agree to the announced change. | Have the deadline, channel and consequences confirmed in writing. |
| Extraordinary cancellation | You rely on the change to end the contract before its normal expiry. | Use this only if the contract, notice or applicable law supports it; request confirmation. |
| Changing plans with the same provider | You move to another offer from your current provider. | Check for a new minimum term, new conditions or loss of discounts. |
Ordinary cancellation
Ordinary cancellation is usually the safest option if you want to switch anyway and no immediate free exit has been guaranteed. Before sending it, check the next possible cancellation date. If the minimum term is still running, fees or further monthly charges may apply.
Cancel in writing or through a traceable digital channel. Ask for written confirmation stating:
- the contract end date
- the number concerned
- any remaining costs
- the status of device or instalment payments
- the release or timing of the porting process
Objecting to the change
If the notice specifies an objection period, do not let it expire. Write briefly and clearly that you do not agree to the announced price or service change. At the same time, ask which options are available and whether the contract can continue on the previous terms, end through ordinary cancellation or end without costs.
Do not rely on statements made by phone as your only evidence. If you call, send an email or customer-portal message afterwards: “As discussed today, I object to the change announced on [date] and request written confirmation.”
Extraordinary cancellation
Extraordinary cancellation may be considered if a significant contract change is announced and you are given a cancellation right. However, do not rely on general statements from forums or assume that every price increase automatically qualifies.
Phrase your request as an application and ask for confirmation: “I am exercising my cancellation right due to the announced contract change and request that the contract end free of charge on [date].” If the provider refuses, request written reasons referring to the specific contract provision.
Minimum terms, discounts and devices can be expensive
Many problems arise because the mobile plan is not the only contractual obligation. Check separately whether you have:
- a smartphone paid in instalments
- a time-limited discount
- a bundle discount with Internet or TV
- paid additional options
- several numbers on the same customer account
Cancelling the plan does not necessarily end the obligation to pay for a financed device. A discount may also disappear when changing tariffs. Before switching, ask for the financial consequences in writing. Do not accept a new plan offer until it is clear whether a new minimum term will begin.
If your mobile plan is part of a bundle, check the other services as well. The overview of bundle offers can help you understand typical combinations. For your specific contract, however, your provider’s billing is decisive.
Keep evidence and check your bills
Create a small folder for the case. This saves time if a bill is incorrect or you need to escalate the matter. Collect:
- the price-increase or migration notice
- the contract, order confirmation and relevant GTC
- bills from before and after the change
- the cancellation or objection with proof of sending
- the provider’s replies
- notes of conversations including date, time and contact person’s name
Check the first bill after the announced date especially carefully. Compare the base fee, options, discounts and one-off charges with the previous bill. If an amount cannot be explained, challenge it immediately in writing, stating the invoice number, date and specific item.
Pay undisputed amounts on time. For a disputed item, clearly tell the provider what you dispute and why. Refusing to pay everything may lead to additional reminder fees and unnecessary conflict.
Dispute with the provider: proceed step by step
If you receive no useful response, remain factual and proceed in stages:
- Written enquiry: Request a specific response by a deadline, for example within ten days.
- Complaint to the provider: Ask for the matter to be forwarded to the responsible complaints office or specialist department.
- Final written request: Briefly summarise the facts, your request and the evidence available.
- Consider conciliation: If no agreement is possible, you can contact the telecommunications conciliation service, Ombudscom. Check the requirements and procedure first.
Direct contact with the provider is generally the first necessary step. The clearer your documents are, the better you can support your position.
Port your number: instruct the new provider first
If you want to keep your number, plan the porting before the final cancellation. In Switzerland, number transfer is normally initiated by the new provider. You give that provider the porting authorisation.
The most important rule is: do not cancel the number yourself too early if you want to port it. Premature deactivation can make the transfer more difficult or mean that the number is no longer available.
Proceed as follows:
- Choose a new plan that matches your actual data, calling and roaming needs.
- Order it from the new provider with number porting.
- Enter your details exactly as they are recorded by the current provider. Your name, date of birth and number in particular must match.
- Choose a porting date that fits the end of your old contract or a confirmed special cancellation date.
- Wait for and keep confirmation from both providers.
- Cancel additional options or services that are not transferred separately with the old provider if necessary.
Allow a small time buffer. If a porting request is rejected, first check the customer details and contract status instead of immediately placing a new order. This reduces the risk of duplicate contracts and unnecessary costs.
Your checklist for a plan migration
- Save the notice with its date and deadline
- Compare old and new costs and services
- Check the contract, GTC, minimum term and device financing
- Object in writing if you do not accept the change
- Have the cancellation right and any remaining costs confirmed
- Check bills after the change
- For a switch, have the new provider arrange the porting
- Do not deactivate the old number yourself too early
- In a dispute, gather all documents and contact the provider first
A price increase or migration is no reason to make a hasty decision. With complete documents, written communication and carefully planned porting, you retain control over your contract, costs and number.
