Each Free Mobile invoice details the active plan, out-of-bundle usage, and any subscribed options. When a plan change occurs mid-month, the statement reflects a prorated distribution between the old and new rates. Understanding this mechanism avoids surprises when receiving the monthly statement.
Prorated billing and double line on the Free Mobile invoice
A plan change takes effect immediately in the subscriber area, but billing does not switch all at once. Free applies a prorated calculation: the old plan is billed until the change date, while the new one takes over until the end of the billing cycle.
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Specifically, the invoice for the month in question displays two distinct lines. The first corresponds to the initial plan, with an amount reduced proportionally to the number of days elapsed. The second covers the new plan for the remaining days.
A subscriber who discovers what changes on your Free Mobile invoices after a plan migration will find this double line on their statement. The total may seem unusual, but it accurately reflects the sum of the two amounts calculated to the day.
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This logic also applies to options added or removed during the cycle. The details appear in the “Options and services” section of the PDF downloadable from the subscriber area or the Free app.
Migration to Free 5G+ plans: impact on the monthly statement
Free has been generalizing the transition from old plans to its new 5G+ ranges for several months. This migration, sometimes offered via email or SMS notification, permanently alters the structure of the statement.
What the migration retains and what it removes
Subscribers who benefited from a discount linked to a Freebox subscription generally retain it after migration. Unlimited data in France also remains within the scope of the 5G+ plans.
However, the mention of “guaranteed price” or “lifetime rate” disappears from the general conditions of the new offers. The invoice no longer carries this indication, meaning that a price increase becomes contractually possible after the promotional period, often set at twelve months.
Notification and right of refusal
Free informs the subscriber by email or SMS before any commercial migration. A refusal period is provided, but the following invoice reflects the new plan if no action is taken. Points to check on the statement after a migration:
- The tariff line must correspond to the accepted new plan, not to an unsolicited intermediate offer
- The included free options (international calls, roaming) must appear with a zero amount
- The Freebox discount, if it existed, must still appear as a deduction on a separate line
End of 2G/3G and forced plan change
The gradual phasing out of 2G and 3G networks in France forces some Free Mobile subscribers to change their device and, by extension, their plan. This phenomenon particularly affects users of older phones incompatible with 4G or 5G.
An incompatible device leads to a gradual degradation of service: failed calls, undelivered SMS, nonexistent data connection. Switching to a 4G/5G plan then becomes the only functional option, and the invoice is modified accordingly.
For a subscriber on a low-cost plan, transitioning to a higher plan represents a significant monthly price difference. The invoice will display the new amount from the first complete cycle after the change, without a gradual transition period.
Reading your Free Mobile invoice after a plan change
The PDF statement generated by Free follows a fixed structure, but certain areas deserve special attention after a plan change.
- The “Summary” box at the top of the page indicates the active plan as of the issuance date, not the one at the beginning of the cycle. After a mid-month change, this summary already displays the new plan
- The “Consumption details” section distinguishes the usages billed under the old plan from those under the new one. Any overages (data, out-of-bundle calls) are attributed to the active plan at the time of consumption
- The “Adjustment” line appears when an overpayment or an additional charge is calculated after applying the prorated amount. It can be negative (partial refund) or positive (additional amount due)
Downloading the detailed statement in CSV format from the subscriber area allows verification of each call, SMS, and data session with the plan associated with each line of consumption.
Check the consistency between subscriber area and invoice
The subscriber area displays the current plan and the next amount to be charged. After a change, there may be a lag of a few days between the online display and the actual generation of the invoice. The PDF document prevails in case of disagreement with the display in the subscriber area.
Subscribers who wish to contest an amount have a claim period via Free customer service, accessible from the “My invoices” section of the app. Keeping SMS or emails confirming the plan change is the best supporting document in case of a dispute over the billed amount.