Giglio Aktionscodes & Verified Deals – August 2026
Looking for the latest Giglio Gutscheins? As of August 2026, our team has manually verified 13 offers for Allnet Flat LTE, Allnet Flat 5G, Prepaid SIM-Karte. Browse current Aktionscodes, working discounts, and exclusive deals, while expired offers are regularly removed.
Giglio offers 0 coupon codes and 13 deals as of August 2026. Today's top offer: Allnet Flat 5G: Monthly Fee Reduced by $4. Codes are verified and updated daily.
New activations for 5G Internet-Flat plans receive a $3 monthly fee reduction. This applies to eligible new contracts.
The usual $19.99 activation fee is waived for all mobile phone contracts without a minimum term. No additional steps are required.
The monthly base fee for Allnet Flat 5G plans is reduced by $4. This discount applies to new sign-ups.
Customers porting their number to a new plan will receive a $25 credit. This bonus is applied after successful number transfer.
Selected Wenigsurfer Tarife are available for less than $15 per month. This offer is for a limited time on new contracts.
The $19.99 activation fee for any Datentarife plan is currently waived. This offer is valid for new data plan sign-ups.
Certain LTE Internet-Flat plans are available for a starting monthly price of $9.99. Specific plans qualify for this promotional rate.
Selected Jahrespakete data plans are discounted by up to 20%. This applies to annual package subscriptions.
All new orders for SIM-only tariffs qualify for free standard shipping. This applies automatically at checkout.
Receive a 15% reduction on the monthly fee for various prepaid SIM card options. This offer is valid for new activations.
Combine a Vielsurfer Tarif with an EU-Roaming Flat to receive a 10% discount on the total monthly cost. Both services must be activated together.
New customers can get 20% off the initial monthly cost of an eSIM plan. This offer is for first-time eSIM activations.
New customers signing up for any plan receive a $30 welcome bonus. This credit applies to the first bill.
Customer Reviews
Good value for money
I was looking for a good deal and found GigaSim's Monatlich kündbare Tarife. They had a great introductory price for the Allnet Flat LTE. I also saved on the Anschlusspreis, which was a nice bonus. The whole sign-up felt worth it, no hidden fees or anything. Getting a decent amount of data for what I'm paying feels like a solid win.
Consistently reliable service
This is my third plan with GigaSim, previously had an Allnet Flat LTE, now upgraded to the 5G version. As always, the process was seamless. I've done Rufnummernmitnahme twice now and it's always gone without a hitch. Their network coverage seems very consistent wherever I go, which is important for me. They also regularly have good offers, so I keep coming back. Never had any issues that needed extensive customer support, which is a good sign.
Good data, easy to set up
Got an LTE Internet-Flat from GigaSim, mostly for my tablet. It was pretty easy to sign up online. The SIM-Karte showed up quick, like 3 days, and I just popped it in. Works fine, no drama. Speeds are good for what I need, mostly streaming and browsing. Happy with it.
Love my new plan!
I just got the Vielsurfer Tarif and it's amazing! The internet is so fast, I can stream anything without buffering. Signing up was super easy and the eSIM activated instantly. I'm so glad I switched to GigaSim, it's definitely the best plan I've had! Will absolutely recommend them to everyone!
Smooth switch, good support
I ordered the Allnet Flat 5G plan recently. The ordering process on their website was straightforward and I appreciated the clear breakdown of costs. Shipping for the physical SIM took about 4 days to reach me in Berlin, which was reasonable. Activating the SIM was quick, just followed the instructions in the email. I had a minor question about the EU-Roaming Flat, and their customer service responded to my email within a few hours, providing a clear explanation. The data speeds have been consistently high as advertised. Overall, a positive experience from start to finish, the service is reliable.
Giglio Community Discussion
Share tips, ask questions & help fellow shoppers save more
Hey, wondering if GigaSim offers eSIMs? My new phone doesn't take physical SIMs.
Is GigaSim a legit company? Never heard of them before but their prices look good.
Does GigaSim use Telekom or Vodafone network? Trying to figure out coverage in my area before I switch.
Thinking of porting my number over from my old provider. Is that a hassle with GigaSim or pretty straightforward?
Are GigaSim contracts truly month-to-month? Or do they try to lock you in for a year if you don't read the fine print?
Browse Telecom & Security Categories
Explore related categories in this topic
More Telecom & Security Stores
Explore other stores in this category
This page may contain affiliate links. If you make a purchase through these links, we may earn a small commission at no extra cost to you. This helps us keep our service free and continue bringing you the best deals.
