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WhatsAppでの通話・チャット：+6592361258

メール：support@etravelsim.com

ご購入後、QRコードがメールで届きます。スマホのカメラで読み取ると、eSIMが端末にインストールされます。eSIMは目的地で初めてネットワークに接続した時点で有効になり、プランの有効期間もそこから始まるため、出発前にインストールしておけます。

eSIMの購入時に使用したメールアドレスでマイアカウントにログインし、注文の横にある「残量を確認」（View Balance）をクリックしてください。注文番号を添えてsupport@etravelsim.comにメールでお問い合わせいただくこともできます。

多くのプランはチャージページから追加購入できます。お使いのプランがそこに表示されない場合は、注文番号を添えてsupport@etravelsim.comまでメールでお問い合わせください。

いいえ、不要です。ただし、お客様を不正利用から守るため、決済システムが不審と判断した取引については本人確認をお願いする場合があります。

その場合は、政府発行の身分証明書やパスポートなど有効な本人確認書類のご提出をお願いすることがあります。個人情報はプライバシーポリシーに従い安全に取り扱います。ご不便をおかけしますが、サービスの安全性を保つために必要な手続きです。ご質問はsupport@etravelsim.comまでお問い合わせください。

無制限プランは1台の端末での利用を前提としており、テザリング（ホットスポット）には対応していません。テザリングが必要な場合は、テザリング可能なデータ容量プランをお選びください。ご不明な点はサポートチームまでお気軽にお問い合わせください。

QRコードはご購入後すぐにメールで届きます。出発前に、Wi-Fiに接続した状態でインストールしてください。

1. 設定 → モバイル通信 → eSIMを追加の順に開きます。
2. 「QRコードを使用」をタップし、メールに記載されたQRコードを読み取ります。読み取れない場合は「詳細情報を手動で入力」をタップし、同じメールに記載されたSM-DP+アドレスとアクティベーションコードを入力します。
3. 新しい回線に名前（例：「旅行」）を付け、通話とSMSには普段のSIMを主回線として残します。
4. 現地に到着したら、モバイルデータ通信に海外 eSIMを選択します。プランで必要な場合は、その回線のデータローミングをオンにしてください。

詳しい手順：iPhoneインストールガイド。

The ETravelSim Poland eSIM works across Warsaw, Krakow, Gdansk, Wrocław, Poznań, Łódź, and Lublin with strong 4G/LTE coverage on the Plus network. Expect reliable signal at Warsaw Chopin Airport (WAW), Krakow John Paul II Airport (KRK), Warsaw Old Town, the Royal Castle, Gdańsk's Long Market and Sopot, the Wrocław Market Square with its iconic dwarves, and along major motorways including the A1, A2, and A4. Use it for Google Maps, Bolt rides, JAKDOJADE transit app, hotel bookings, and WhatsApp without interruption.

The ETravelSim Poland eSIM works across all of Krakow's main attractions including Wawel Royal Castle, the Main Market Square (Rynek Główny), the Kazimierz Jewish Quarter, and Schindler's Factory with strong 4G coverage. The Auschwitz-Birkenau Memorial in Oświęcim, about 70 km from Krakow, has reliable 4G at the visitor centre, parking, and the main exhibition areas. Coverage softens slightly between the Auschwitz I and Birkenau sites along the connecting shuttle route, but holds at both museum entrances.

The ETravelSim Poland eSIM works at the Wieliczka Salt Mine entrance, ticket office, and visitor centre with strong 4G coverage. Inside the mine itself there is no mobile signal anywhere — the underground depth blocks every Polish carrier and is universal worldwide for deep mines. Tour guides communicate via radio because no consumer cellular reaches 135 metres below ground. Buy tickets, download tour information, and message your group before descending the lift. The same applies to other underground attractions like the Krakow Salt Mine of Bochnia.

The ETravelSim Poland eSIM works in Zakopane town centre, at the Krupówki main street, Kasprowy Wierch cable car base, and the Morskie Oko trailhead with reliable 4G coverage. Signal becomes patchy or absent on the climb to Rysy (Poland's highest accessible peak at 2,499m, on the Slovak border), in the deeper valleys of the High Tatras, and on remote trails in the Five Polish Lakes Valley. This is universal across all Polish carriers because of the granite terrain. Save offline maps before serious mountain hikes.

The ETravelSim Poland eSIM works on PKP Intercity trains across the Warsaw-Krakow Express corridor with consistent 4G coverage on most segments. Routes between Warsaw, Wrocław, Gdansk, and Poznań stay connected on main lines. Brief drops are normal in deeper rural tunnels and forested stretches where Polish railway tracks pass through uninhabited areas, but signal returns before the next station. The PKP Intercity mobile app and Koleo work fluidly throughout for live platform changes, ticket QR codes, and connection updates.

The product spec on this page lists the Poland eSIM as 4G/LTE. Plus operates 5G across Warsaw, Krakow, Gdansk, Wrocław, and other major Polish cities, but this eSIM may connect at 4G/LTE only depending on the partner roaming arrangement. 4G/LTE in Polish cities typically delivers 30 to 80 Mbps — fast enough for streaming, video calls, navigation, and remote work without issue. If 5G is essential for your use case, confirm with ETravelSim support before purchase.

For a typical 3 to 5-day Krakow city break, the 5 GB plan is enough for most travelers. A 7 to 10-day trip combining Warsaw, Krakow, and Gdansk with daily Google Maps, Bolt rides, and casual photo uploads usually needs 10 GB to 25 GB. The 50 GB plan suits heavy users on extended stays, digital nomads working from Warsaw co-working spaces, or families sharing one connection. Hotspot and tethering are explicitly allowed on all ETravelSim Poland plans including the 50 GB tier — useful for sharing data with a laptop or another phone.

Validity on the ETravelSim Poland eSIM starts the day you begin using it in Poland, when your phone first connects to Plus on arrival, and runs for the full 30 days regardless of which data tier you choose. You can purchase weeks in advance, install the QR code at home before flying, and the timer only starts on first connection. Installing at home is the safer option because you'll know before boarding the eSIM is set up correctly. Don't delete the eSIM profile after installation — reinstallation may not be possible.

The ETravelSim Poland eSIM includes a UK-based mobile number (+44) with free incoming calls — anyone in the world can call your assigned UK number and reach you in Poland at no cost to you. Outgoing calls aren't included, so use WhatsApp, FaceTime, or Skype for outbound voice. The UK number is useful for receiving callbacks from hotels, tour operators, or family who would otherwise pay international rates to reach you. This is particularly useful for travelers from the UK using Poland-based tour operators who prefer phone bookings.