What you can and cannot upgrade on a tablet
Most tablets cannot be upgraded the way a desktop computer can. You cannot swap out the processor, add more RAM, or install a larger storage drive yourself—those components are soldered to the motherboard or sealed inside the device. What you can do is expand storage with a memory card (if your tablet has a slot), replace the battery if it stops holding a charge, or upgrade to a newer model when performance becomes too slow.
Before you spend money on any upgrade, figure out what is actually slowing you down. A tablet that feels sluggish might just need storage space cleared, apps uninstalled, or the operating system updated. A battery that drains in two hours is a real problem worth fixing. But if you are hitting the limits of what your tablet can do—running out of storage constantly, apps crashing, video playback stuttering—you may be looking at a replacement rather than an upgrade.
Key Takeaways
- Most tablets have no user-replaceable internal parts except the battery, which a repair shop can swap for $50 to $150 depending on the model.
- If your tablet has a microSD card slot, you can add 64 GB to 1 TB of storage for $10 to $100, though this does not speed up the device itself.
- Clearing storage, uninstalling unused apps, and updating the operating system often solve slowness problems without any hardware change.
- When a tablet is more than four or five years old and feels too slow, replacement is usually cheaper and more practical than repair.
Expanding storage with a memory card
If your tablet has a microSD card slot, you can add external storage without opening the device. Check your tablet's specifications or look for a small slot on the edge—it is usually labeled with a card icon. MicroSD cards come in sizes from 32 GB to 1 TB and cost between $10 and $100 depending on capacity and speed.
To install a card, power off the tablet, locate the slot (sometimes hidden under a small rubber flap), and slide the card in until it clicks. Power the tablet back on and go to Settings > Storage to format the card for use. After that, you can move photos, videos, and some apps to the card to free up internal storage.
One important limit: a memory card does not make your tablet faster. It only gives you more room for files. If your tablet is slow because the processor or RAM cannot keep up with what you are running, a memory card will not fix that. But if you are constantly running out of space and deleting photos to make room, a card solves that problem cheaply.
Replacing the battery when it no longer holds a charge
Tablet batteries degrade over time. If your device powers off at 20 percent battery, drains completely in a few hours of light use, or takes much longer to charge than it used to, the battery is likely worn out. This is one of the few repairs you can have done without replacing the whole tablet.
You have two options: take the tablet to an authorized repair center (Apple Store, Samsung service center, or the manufacturer's partner) or find a third-party repair shop. Authorized repairs cost $50 to $150 depending on the model and usually come with a warranty. Third-party shops may charge less but offer no may provide, and using non-original parts can sometimes cause problems.
Before paying for a battery replacement, check your tablet's battery health. On iPad, go to Settings > Battery > Battery Health & Charging. On Android, go to Settings > Device Care > Battery and look for the battery status. If the maximum capacity is below 80 percent, replacement is worth considering. If it is above 80 percent, the battery is still usable—your slowness problem is likely something else.
Clearing storage and uninstalling apps to improve performance
A tablet running low on storage space often feels slow because the operating system cannot write temporary files or cache data efficiently. Before you buy anything, free up space by deleting old photos and videos, clearing app caches, and uninstalling apps you no longer use.
On iPad, go to Settings > General > iPad Storage to see which apps are taking the most space. Tap an app and choose Offload App to remove it while keeping your data, or Delete App to remove it completely. On Android, go to Settings > Apps and select an app, then choose Uninstall or Clear Cache.
Also check whether your operating system needs an update. Outdated software can cause slowness and battery drain. On iPad, go to Settings > General > Software Update. On Android, go to Settings > About Phone > Software Update. Install any available updates and restart the tablet. Many performance problems disappear after an update.
When to replace your tablet instead of upgrading it
If your tablet is more than four or five years old and feels too slow even after clearing storage and updating the software, replacement is usually the better choice. Older processors cannot run newer apps efficiently, and repair costs add up quickly when multiple components fail.
Signs that replacement makes more sense than repair: the screen is cracked and repair costs more than half the tablet's original price; the battery is dead and the device is out of warranty; the processor struggles to run current versions of apps; or the manufacturer has stopped releasing security updates.
When shopping for a replacement, consider what you actually use the tablet for. If you mostly read, browse, and watch video, a budget tablet ($150 to $300) works fine. If you edit photos, use design apps, or play demanding games, a mid-range or premium tablet ($400 to $800) will last longer before feeling slow. Buying a tablet matched to your real needs costs less over time than buying the cheapest option and replacing it in two years.
What to do before selling or recycling an old tablet
If you are replacing your tablet, wipe it completely before handing it over or recycling it. On iPad, go to Settings > General > Reset > Erase All Content and Settings. On Android, go to Settings > System > Reset Options > Erase All Data. This removes all your personal information, accounts, and files.
After erasing, sign out of your accounts. On iPad, go to Settings > [Your Name] > Sign Out. On Android, go to Settings > Accounts and remove each account. If you are selling the tablet, these steps protect your privacy. If you are recycling it, many electronics retailers (Best Buy, Staples, and others) accept old tablets for free or for a small fee.
Frequently Asked Questions
Can I add more RAM to my tablet?
No. RAM is soldered directly to the motherboard in tablets and cannot be removed or replaced by the user. If your tablet feels slow because of low RAM, the only solution is to close unused apps, clear the cache, or replace the tablet with a newer model.
Is it worth replacing the screen if it is cracked?
It depends on the tablet's age and the repair cost. If the repair costs more than 40 to 50 percent of what a new tablet would cost, replacement is usually smarter. If the tablet is relatively new and the repair is under $200, fixing the screen makes sense.
What speed microSD card should I buy?
For photos, videos, and documents, a card rated for 90 MB/s or faster is fine. If you plan to record 4K video or move large files frequently, look for a card rated 150 MB/s or faster. The brand matters less than the speed rating—Samsung, SanDisk, and Kingston are all reliable.
Will updating my tablet's software make it faster?
Sometimes. Updates often include performance improvements and bug fixes that can speed up an older tablet. However, very new software versions can also slow down older hardware because they demand more processing power. If an update makes your tablet noticeably slower, you may not be able to roll back.
How long do tablet batteries usually last?
Most tablet batteries are designed to retain 80 percent of their capacity after 500 to 1,000 charge cycles, which is roughly two to three years of regular use. After that, capacity drops gradually. A battery that is five years old or older is almost certainly worth replacing if the tablet is still useful to you.