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Sim24 DE Promo Codes for October 2026

Explore the latest Sim24 DE Gutscheins, current deals, and savings on Allnet Flat, LTE Tarife, 5G Mobilfunktarife. We regularly review available offers, remove expired promotions, and keep this page updated for October 2026.

Sim24 DE offers 0 coupon codes and 16 deals as of October 2026. Today's top offer: Monthly Cancellable Offers on Select Plans. Codes are verified and updated daily.

🔥 Top Sim24 DE Discount Codes for October 18, 2026

20%
OFF
Monthly Cancellable Offers on Select Plans

Certain tariffs are available with the option for monthly cancellation. This provides greater flexibility for users.

No-Cost EMI
Free EU-Roaming Flat with Premium Plans

Select premium tariffs now include a complimentary EU-Roaming Flat. This allows usage within the EU at no extra charge.

Student Offer
Student Discount on Selected Tariffs

Students may qualify for special pricing on various mobile tariffs. Verification of student status is required.

30%
OFF
Cyber Monday Savings on Tablet Tariffs

Find discounts on tablet tariffs during the Cyber Monday event. Offers may include reduced monthly fees or bonus data.

25%
OFF
Combined Advantage on Family Plans

Families opting for multiple tariffs can benefit from a combined advantage. This often means reduced overall costs.

15%
OFF
Back to School Offers on Tarife für junge Leute

Young people can find special tariffs with reduced rates for the Back to School season. These plans are designed for students.

Bundle
Black Friday Deals on Smartphone Bundles

Special pricing is available on smartphone and tariff bundles during the Black Friday promotional period. Check for specific model offers.

40%
OFF
Free 5G Option on Eligible Mobile Plans

Customers can receive a complimentary 5G option with certain mobile phone tariffs. This provides access to faster network speeds.

40%
OFF
New Year Discounts on LTE Tarife

Start the new year with savings on LTE tariffs. These promotions are available for a limited time.

35%
OFF
Refer a Friend Bonus for Existing Customers

Existing customers can receive a bonus for successfully referring new users. The bonus is applied to your account.

20%
OFF
Extra Data Volume on Featured Vielsurfer Tarife

Get increased data allowances at no extra cost on designated high-usage tariffs. This provides more browsing capacity.

25%
OFF
No Activation Fee on Select SIM-Only Tariffs

Many SIM-Only Tariffs currently have no activation fee applied. This saves customers between 9.99 and 19.99 Euros.

50%
OFF
Reduced Anschlusspreis on 5G Mobilfunktarife

The connection fee is currently reduced on several 5G mobile tariffs. This makes getting started more affordable.

Up to
50%
OFF
50% Off First Month Data Tariffs

Get 50% off your first month on Allnet Flat data tariffs. Stay connected for less.

35%
OFF
Bonus for Porting Your Phone Number

New customers transferring their existing phone number receive a switching bonus. This is applied to the first invoices.

45%
OFF
MultiCard Option Included in Top Tariffs

Certain high-tier tariffs come with a MultiCard option at no additional fee. Use your tariff on multiple devices.

Customer Reviews

4.3
Average Rating
4
Total Reviews
Mia A.
★★★★☆
2 months ago

Saved money on a new plan

I was looking for a new Handytarif ohne Laufzeit and stumbled upon Sim24. I managed to get the Anschlusspreis sparen deal, which saved me almost 20 euros right off the bat. It was a good feeling not to pay that activation fee. The process was straightforward, and I picked one of their Vielsurfer Tarife. It felt really worth the purchase because I got a lot of data without being tied into a long contract, and the initial cost was really low. Definitely a smart choice for my budget.

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Tara
★★★★☆
3 months ago

Good value, some hiccups

I decided to try a SIM-Only Tarif from Sim24 because the prices looked competitive. The Allnet Flat was under 10 Euro which is great value. Delivery of the SIM took 5 days to reach me in Munich, which was a bit longer than I hoped. Customer service was helpful when I had a question about setting up the eSIM, though I had to wait on hold for a bit. Overall, I'm satisfied with the plan and the network coverage has been solid so far. Just wish shipping was a bit faster.

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Sarah Kaur
★★★★☆
3 months ago

Got a good LTE plan

Needed a new LTE Tarif and Sim24 had some decent options. I just picked a basic one. The setup was easy enough. Everything worked as expected when the SIM arrived. No complaints.

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Sam
★★★★★
4 months ago

Easy switch, great data!

I just switched to Sim24 and got their 5G Mobilfunktarif. The Rufnummernmitnahme went super smoothly, took about 3 days. I'm getting so much data for what I'm paying, it's fantastic! Definitely shopping here again for future upgrades, and telling all my friends about it!

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Sim24 DE Community Discussion

Share tips, ask questions & help fellow shoppers save more

G
Gwen Ito
3 months ago

Is Sim24 actually any good? Never heard of them before but the deals look sweet. Kinda worried it's some shady budget provider.

E Elena 3 months ago
Totally legit, don't worry. They're part of Drillisch, which is a big name in Germany for mobile stuff. Used them for years, no issues.
2
O Omar Walsh 3 months ago
They're fine, use O2's network so coverage is pretty decent in most places. I mean, it's not Telekom speed always, but for the price, it's solid.
5
4 Responses (2)
K
Kate Bennett
2 months ago

Hey, thinking about switching to Sim24. How long does it usually take to get your old number transferred over? Don't wanna be without my main number for ages.

R Rosa 2 months ago
Mine took like, a week and a half? Pretty smooth process though, they handle most of it.
3
J Josh 2 months ago
Yeah, I think it's usually around 7-10 business days for the number port. You just gotta make sure all your info matches your old provider's records, that helps speed it up a lot.
6
1 Responses (2)

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