About us

1&1 AG, headquartered in Montabaur, is a publicly listed telecommunications provider
and part of the United Internet Group.
With a strong focus on the German market, 1&1 actively drives the country's digital sovereignty.

Better and better every day

With over 30 years of experience, 1&1 stands for powerful mobile plans, award-winning customer service, and continuous product innovation – from all-net-flat rates and unlimited data plans to exclusive benefits through the 1&1 Vorteilswelt. The 1&1 Service Card offers premium services such as 24-hour device replacement and a dedicated priority hotline. 1&1 promotes digital inclusion through reliable, competitively priced products – consistently awarded top marks by independent trade publications. In addition, the discount brands of Drillisch Online GmbH serve price-sensitive customers with a strong focus on affordability.

The 1&1 O-RAN

1&1 operates the first fully virtualized 5G mobile network in Europe based on innovative Open RAN technology – independent, open by design, and built for the real-time applications of tomorrow. As Germany's fourth mobile network, the 1&1 O-RAN stands for greater competition and innovation in the national telecommunications landscape.

Nationwide Broadband Coverage

As one of Germany's leading providers of VDSL, vectoring, and next-generation fiber internet, 1&1 is driving Germany's gigabit transformation. The company leverages the nationwide fiber-optic transport network of 1&1 Versatel and, through partnerships with Deutsche Telekom and leading city carriers, is able to supply millions of households with future-proof fiber connections.

Damaged Archive Repair Tool Dart Fix |best| Page

) or if the file corruption extends beyond header manipulation. Community Status

Drag and drop the damaged .SCS or .ZIP file directly onto the D.A.R.T. program executable. damaged archive repair tool dart fix

Add to pubspec.yaml :

The button (often found in the tool's main interface alongside "Fix" or "Repair") performs a preliminary analysis of the targeted archive to get it ready for extraction or correction. ) or if the file corruption extends beyond

if (isValid) final repairedPath = _getRepairedPath(); await File(repairedPath).writeAsBytes(repairedBytes); statistics.repairedSize = repairedBytes.length; statistics.repairedSize = repairedBytes.length

/// Repair corrupt central directory Future<List<int>?> _repairCentralDirectory() async try print(' Rebuilding central directory from local headers...');

) or if the file corruption extends beyond header manipulation. Community Status

Drag and drop the damaged .SCS or .ZIP file directly onto the D.A.R.T. program executable.

Add to pubspec.yaml :

The button (often found in the tool's main interface alongside "Fix" or "Repair") performs a preliminary analysis of the targeted archive to get it ready for extraction or correction.

if (isValid) final repairedPath = _getRepairedPath(); await File(repairedPath).writeAsBytes(repairedBytes); statistics.repairedSize = repairedBytes.length;

/// Repair corrupt central directory Future<List<int>?> _repairCentralDirectory() async try print(' Rebuilding central directory from local headers...');

Social Commitment

As a successful telecommunications company, 1&1 sees itself as part of society and takes the responsibility that goes with this. Our corporate social responsibility activities revolve around our United Internet for UNICEF foundation.

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Sustainability

Doing business sustainably is a part of what 1&1 does every day. Our goal is to be a pioneer in this area as well.

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Non-financial Group report 2025

PDF 1,75 MB

ESG-Report 2024/2025

PDF Download (15,7 MB)

Protection of the environmental and climate

As a leading German telecommunications specialist, we see our role as building bridges to a positive, sustainable digital future.

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