5 sourced reports, with what to check before you buy. Each one links to the page it was reported on.
Costly or dangerous
Redmi Pad freezes with 'system not responding' popups for up to 8 minutes
An owner reports the tablet repeatedly freezes with 'system not responding'/'app not responding' popups, sometimes for up to 8 minutes, and calls it unusable.
What to check. Expect the 4GB/entry config to stutter and freeze under normal use; budget for a higher-RAM variant or a different tablet if smooth multitasking matters.
Redmi Pad mainboard died after 1.5 years in endless reboot loop; reballing did not fix it
An owner reports the tablet died after ~1.5 years in an endless reboot loop that ignores the power button; a shop reballed the CPU and it failed again, then the shop declared it a brick/factory defect.
What to check. A mainboard failure is a total-loss event with no cheap fix; if you buy one, keep it within warranty and back up data, as the failure can appear after a year or more.
Redmi Pad battery drains suspiciously fast, losing 1% within a minute of a full charge
An owner reports the battery drains suspiciously fast, losing 1% within a minute of a full charge.
What to check. Battery life can be inconsistent between units; a fast-draining unit may need a battery replacement, so check battery health early in the return window.
These reports come from the pages linked under each item: owner forums, repair guides and workshops. They are not a diagnosis of any one unit, and a careful check of the one you are buying still applies.
Text from the Kriko Tablets catalog, version 0.1.1, under the CC-BY-SA-4.0 license.