Unlock Viettel 3G SUMO

Step 2

Pick your carrier

Choose the carrier your Viettel 3G SUMO is locked to for carrier-specific timing and requirements.

• Digicel
  31 countries
• Orange
  29 countries
• Vodafone
  26 countries
• Airtel
  19 countries
• Claro
  18 countries
• Movistar
  14 countries
• Tigo
  12 countries
• Tele2
  9 countries
• Telenor
  9 countries
• Three
  9 countries
• MTS
  5 countries
• T-Mobile
  5 countries
• Virgin Mobile
  5 countries
• Etisalat
  4 countries
• Lycamobile
  4 countries
• O2
  4 countries
• Smart
  4 countries
• Telia
  4 countries
• B-Mobile
  3 countries
• Entel
  3 countries
• Sprint
  3 countries
• TracFone
  3 countries
• Virgin
  3 countries
• ATT
  2 countries
• Cellcom
  2 countries
• Nextel
  2 countries
• Personal
  2 countries
• Salt (Orange)
  2 countries
• Swisscom
  2 countries
• Tesco Mobile
  2 countries
• Wind
  2 countries
• +Movil Cable & Wireless
  1 country
• A1
  1 country
• Access Telecom
  1 country
• Airadigm Communications
  1 country
• Aircel
  1 country
• Algar Telecom (CTBC)
  1 country
• Alltel
  1 country
• American Cellular Corporation
  1 country
• Asda Mobile
  1 country

Viettel 3G SUMO unlock FAQ

Will the unlock work on my Viettel 3G SUMO?

Yes — we unlock all Viettel 3G SUMO models. Submit your IMEI and we'll verify eligibility before charging.

Is this a permanent unlock?

Yes. The IMEI is whitelisted on the manufacturer's database. The unlock survives factory resets and OS updates.

How long does it take?

Most Viettel 3G SUMO unlocks complete within 1-5 business days. Some carriers are faster — pick your carrier above for an accurate estimate.

What if my Viettel 3G SUMO can't be unlocked?

If we can't deliver the unlock, you get a full refund. No risk.