You can upgrade your Capital One QuicksilverOne card to the Capital One Quicksilver Cash Rewards Credit Card by submitting a request over the phone at (800) 227-4825. Alternatively, you can upgrade your credit card by accepting an online or mail offer.

How to Upgrade your Capital One QuicksilverOne Card Over the Phone

To upgrade your Capital One QuicksilverOne card over the phone contact customer service at (800) 227-4825 and ask if you're eligible for an upgrade. There's no credit check associated with a request to upgrade. If Capital One determines you are eligible and you agree to the upgrade, there will be a hard inquiry on your credit report. This will temporarily lower your credit score by a few points.

How to Upgrade your Capital One QuicksilverOne Card Online

Cardholders who are eligible for a Capital One QuicksilverOne card upgrade will be notified through an “Upgrade Now” banner either online or by mail. To accept an online offer, log in to your account and click the “Upgrade Now” banner. A “Finalize Upgrade” window will appear. Review the upgrade terms, check the box stating you agree to them, and select “Upgrade Card.”

For other offers, follow the instructions in either the letter or e-mail that you received. Keep in mind that even though your account and credit card number will remain the same after upgrading, the terms and conditions of the new card will apply.

The Capital One Quicksilver Card is fairly hard to get because it requires good to excellent credit for approval (a credit score of at least 700 is recommended). You also need a steady income to qualify for the Capital One Quicksilver (see Rates & Fees) card, among others.

Keep in mind that even if you meet all of the requirements for the Capital One Quicksilver (see Rates & Fees) credit card, you're never guaranteed to be approved. If you have less than good credit, you can consider the secured version of the Quicksilver card, the Capital One Quicksilver Secured Cash Rewards Credit Card (see Rates & Fees), which is a lot easier to get.

The Capital One QuicksilverOne credit limit is $300 - $5,000, according to cardholder reports online. But it will depend entirely on the specifics of your credit and your overall financial situation. So, the better your credit is, the higher you can expect your spending limit to be.

Ultimately, if you are unhappy with your credit limit, the issuer periodically reviews accounts for automatic credit limit increases after 6 months of on-time payments. If you'd rather not...

The Capital One Quicksilver credit limit depends on your income, creditworthiness and payment history, which are evaluated once you apply for the card. According to anecdotal reports, the card's credit limit can be as low as $750 and as high as $10,000. However, Capital One does not list a minimum or maximum credit limit in the card's terms and conditions.

If you want to aim for a higher credit limit, there are a number of areas...

The best Capital One Quicksilver (see Rates & Fees) benefits are rental car insurance and extended warranty. The Capital One Quicksilver Cash Rewards Credit Card (see Rates & Fees) also has identity theft protection and $0 fraud liability, which are more common perks across Capital One credit cards. For Capital One products listed on this page, some of the above benefits are provided by Visa® or Mastercard® and may vary by product. See the respective Guide to Benefits for details, as terms and exclusions apply.

Capital One Quicksilver (see Rates & Fees) Benefits

• Extended...

The Capital One Quicksilver (see Rates & Fees) credit score requirement is 700+, which means you need good to excellent credit to get this card. Capital One will also consider your income and debt among others when making approval decisions for the Capital One Quicksilver (see Rates & Fees) card. You can see if you pre-qualify for this card on Capital One's dedicated webpage.

With a $0 annual fee, unlimited 1.5 - 5% cash back on every purchase and a signup bonus of $200 for spending $500 in the first 3 months, Capital One Quicksilver (see Rates & Fees) is a great rewards card.

Capital One Quicksilver Cash Rewards Credit Card (see Rates & Fees) is a Mastercard. That means you can use your Capital One Quicksilver (see Rates & Fees) card at millions of merchant locations in more than 210 countries and territories, wherever payments through Mastercard are accepted.

Things to Know About the Capital One Quicksilver (see Rates & Fees) Card

• Card acceptance: The Capital One Quicksilver (see Rates & Fees) is accepted by millions of retailers in over 210 countries and territories. Almost every merchant that takes credit cards accepts Mastercard.
• No foreign transaction fees: On top of the Capital One Quicksilver (see Rates & Fees)'s...

You can get a Capital One Quicksilver (see Rates & Fees) cash advance by withdrawing cash from an ATM. Just note that you'll need your card's PIN for that. If you don't already have one, you can request a PIN online or by phone. In addition to ATMs, there are a few other ways you can get cash advances.

How to Get a Capital One Quicksilver (see Rates & Fees) Cash Advance

• At an ATM using your PIN. To do so, use your card...

The easiest way you can reach the Capital One Quicksilver customer service is either online or through the issuer's mobile app. Alternatively, you can contact them over the phone at (800) 227-4825 or via mail.

To contact them online, either log in to your account at Capitalone.com or to the Capital One app. If you prefer to call, just dial (800) 227-4825 and you will be able to talk to a representative. If you choose to contact them by mail, the...

The Capital One Quicksilver (see Rates & Fees) rental car insurance protects cardholders when they pay for a rental vehicle with this card (for Capital One products listed on this page, some of the above benefits are provided by Visa® or Mastercard® and may vary by product. See the respective Guide to Benefits for details, as terms and exclusions apply). To get coverage, you'll need to decline any insurance offered by the rental agency. It covers car damage, theft, loss of...