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DestinationsVietnam5GB / day / 20 days

Vietnam 5GB / day
20-day plan

Plenty every day

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.
Support on LINE
Stuck on setup? Message a real person on LINE. Just add us as a friend — no phone call, no account.

How activation works

Starts when the eSIM first connects to a local network at your destination — installing it before you leave does not start the clock.

Plan details

Coverage
Vietnam
Networks
vietnamobile（4G）
High-speed data
5GB / day
When the period starts
Starts when the eSIM first connects to a local network at your destination — installing it before you leave does not start the clock.
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
Daily reset
Your daily data resets around 02:00 Japan time
Tethering
Supported
Voice / SMS
This plan includes calls and SMS
Valid for
20 days from activation
Activate by
Activate within 30 days of receiving the QR
Cancellation
Full refund any time before activation
Checking usage
To check your remaining data, dial *101# (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 5GB / day 20 days — ¥690 | eSIM.co.jp