Does checking your balance cost anything?

Check this with your provider. The available method and any conditions differ by provider.

Can I see my balance without the SIM in my phone?

That is possible with providers that show the balance in their app or online account. Check which method your provider offers.

First check again through your provider's official method. If the difference remains, contact the provider with your payment confirmation.

Use the official app, sign in to your online account or follow the phone method published by your provider. Available options differ by provider.

Each provider balance page shows only information verified for that provider, with a link to the official environment where available.

Your call credit and data bundle may be tracked separately. Check both in the official app or your account before topping up.

Validity rules differ by provider. Check the current period and consequences of inactivity in your provider's official app, account or terms.

Does checking your balance cost anything?: Check this with your provider. The available method and any conditions differ by provider.
Can I see my balance without the SIM in my phone?: That is possible with providers that show the balance in their app or online account. Check which method your provider offers.
Why is my balance wrong after topping up?: First check again through your provider's official method. If the difference remains, contact the provider with your payment confirmation.