eSIM.co.jp
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DestinationsVietnam30GB total / 5 days

Vietnam 30GB total
5-day plan

For heavy use

On arrival, after installing the eSIM, dial 900, then press 1. Without this the line will not start
The date rolls over around 02:00 Japan time — activating just before that can burn most of day one

Only with eSIM.co.jp

Coverage guarantee
Refund or a replacement eSIM if the network fails.
Keep your Japanese number
Your Japanese line stays in the phone. Your number and LINE do not change.
Full refund if not activated
Cancel any time before you scan the QR code.

Plan details

Coverage
Vietnam
Networks
Mobifone（5G/4G）
High-speed data
30GB total
When the period starts
Starts when the eSIM activates on your device
How the period is counted
The plan is counted in local (UTC+7) calendar days, so a day ticks over around 02:00 Japan time
Tethering
Supported
Voice / SMS
Not supported (data only)
APN
m-wap
Valid for
5 days from activation
Activate by
Activate within 30 days of receiving the QR
Cancellation
Full refund any time before activation
On arrival
On arrival, after installing the eSIM, dial 900, then press 1. Without this the line will not start
Checking usage
To check your remaining data, dial *090*5# (we cannot look it up for you)
Receipt
Download any time from My Page
Please note
Once the QR code has been scanned and activated, the plan cannot be cancelled or refunded. Please check device compatibility and SIM lock status first.
Vietnam 30GB total 5 days — ¥1,070 | eSIM.co.jp