Tarif- & Produktberatung

Fragen zur Neubestellung, Tarifberatung, Optionsberatung, Bestellstatus, Rufnummernmitnahme

    2. Infos, FAQs und HowTos - Alle Themen im Überblick 5

      • Christian
      • August 3, 2021 at 12:38 PM
    3. Replies
      5
      Views
      195k
      5

    4. Christian

      August 3, 2021 at 12:38 PM

    2. Nutzerfragen zum (EU-)Roaming 296

      • congstar
      • February 9, 2026 at 2:02 PM
    3. Replies
      296
      Views
      189k
      296

    4. Christian

      February 9, 2026 at 2:02 PM

    2. Tarife und Endgeräte bei congstar - Für jeden das passende dabei! 4

      • Christian
      • January 7, 2024 at 11:56 AM
    3. Replies
      4
      Views
      29k
      4

    4. Tatiana

      January 7, 2024 at 11:56 AM

    2. Neue SIM-Karte bestellen / Kartentausch bestellen / Karte sperren 2

      • congstar
      • February 15, 2014 at 4:08 PM
      • congstar
      • February 1, 2020 at 3:23 PM
    3. Replies
      2
      Views
      169k
      2

    4. congstar

      February 1, 2020 at 3:23 PM

    2. Die congstar Ident-Verfahren

      • congstar
      • November 14, 2019 at 6:37 PM
      • congstar
      • November 14, 2019 at 6:37 PM
    3. Replies
      0
      Views
      82k

    2. Alles rund um Tarife, Tarifwechsel, Bestellung, Lieferzeit, Rufnummernmitnahme, PIN und PUK 1

      • congstar
      • February 15, 2014 at 3:31 PM
      • congstar
      • February 5, 2018 at 4:17 PM
    3. Replies
      1
      Views
      163k
      1

    4. congstar

      February 5, 2018 at 4:17 PM

    2. Mobil surfen mit congstar - manuelle Einstellungen zum mobilen Internet / APN

      • congstar
      • February 16, 2014 at 2:40 PM
      • congstar
      • February 16, 2014 at 2:40 PM
    3. Replies
      0
      Views
      632k

    2. Tarif mit Guthaben buchen 10

      • frankholstein
      • August 8, 2026 at 9:45 PM
    3. Replies
      10
      Views
      651
      10

    4. Flosse08

      August 8, 2026 at 9:45 PM

    2. Mitarbeiterangebote Gutschein bei Tarifwechsel 2.1k

      • zephyr87
      • March 8, 2023 at 8:58 PM
      • zephyr87
      • August 6, 2026 at 6:47 PM
    3. Replies
      2.1k
      Views
      618k
      2.1k

    4. Linda

      August 6, 2026 at 6:47 PM

    2. Blockierung anonymer Anrufe durch congstar (ACR) 175

      • Krebs1
      • April 11, 2022 at 6:08 PM
      • Krebs1
      • August 5, 2026 at 3:59 PM
    3. Replies
      175
      Views
      92k
      175

    4. Steffi

      August 5, 2026 at 3:59 PM

    2. SIM-Versand bei Handy zum Vertrag mit langer Lieferzeit 3

      • PBW_mobile
      • August 3, 2026 at 7:52 PM
    3. Replies
      3
      Views
      269
      3

    4. Linda

      August 3, 2026 at 7:52 PM

    2. Xplora Uhr und Congstar eSIM: Wie behält die Uhr volle Funktionalität im nicht-EU Ausland? 6

      • Tillvg
      • August 2, 2025 at 3:10 PM
      • Tillvg
      • August 3, 2026 at 4:30 PM
    3. Replies
      6
      Views
      2.5k
      6

    4. Linda

      August 3, 2026 at 4:30 PM

    2. Wechsel Kennenlerntarif in Prepaid wie ich will 17

      • posin
      • July 29, 2026 at 8:53 AM
      • posin
      • July 31, 2026 at 10:34 AM
    3. Replies
      17
      Views
      1.5k
      17

    4. posin

      July 31, 2026 at 10:34 AM

    2. Wechsel von Vertrag zu Prepaid 35

      • dftzeewi88opv1y
      • June 14, 2026 at 4:26 PM
      • dftzeewi88opv1y
      • July 30, 2026 at 9:16 PM
    3. Replies
      35
      Views
      4.2k
      35

    4. Schaengel56

      July 30, 2026 at 9:16 PM

    2. Congstar Vertrag von Drittanbietern 4

      • i2ariba
      • July 29, 2026 at 7:00 PM
      • i2ariba
      • July 29, 2026 at 8:18 PM
    3. Replies
      4
      Views
      499
      4

    4. i2ariba

      July 29, 2026 at 8:18 PM

    2. RCS Verschlüsselung 93

      • zedtea
      • February 24, 2026 at 8:47 AM
      • zedtea
      • July 28, 2026 at 9:43 PM
    3. Replies
      93
      Views
      21k
      93

    4. RayYa

      July 28, 2026 at 9:43 PM

    2. Keine Internetverbindung im EU-Ausland 5

      • Janniso
      • July 18, 2026 at 3:35 PM
      • Janniso
      • July 18, 2026 at 4:52 PM
    3. Replies
      5
      Views
      784
      5

    4. Flosse08

      July 18, 2026 at 4:52 PM

    2. Neue esim beantragen 1

      • Janniso
      • July 18, 2026 at 4:41 PM
      • Janniso
      • July 18, 2026 at 4:49 PM
    3. Replies
      1
      Views
      421
      1

    4. Flosse08

      July 18, 2026 at 4:49 PM

    2. Umwandlung in Partnerkarte 70

      • Smurfy
      • December 3, 2024 at 11:34 PM
      • Smurfy
      • July 17, 2026 at 6:13 PM
    3. Replies
      70
      Views
      30k
      70

    4. Linda

      July 17, 2026 at 6:13 PM

    2. Aufladungen mit Alphacomm 1

      • adamger
      • July 16, 2026 at 12:20 AM
      • adamger
      • July 16, 2026 at 12:35 AM
    3. Replies
      1
      Views
      384
      1

    4. harob

      July 16, 2026 at 12:35 AM

    2. Schlechte Ton Qualität 11

      • Thomaslanz
      • July 14, 2026 at 10:50 PM
    3. Replies
      11
      Views
      2.8k
      11

    4. Thomaslanz

      July 14, 2026 at 10:50 PM

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