If your Gplus P10 can boot into recovery (Volume Up + Power), you might be able to flash an without a PC.
I laughed nervously. A glitch.
Being a budget device, official over-the-air (OTA) updates are infrequent. gplus p10 firmware
Your phone gets stuck on the Gplus logo, restarting endlessly without booting into Android. If your Gplus P10 can boot into recovery
by holding specific button combinations (usually Power + Volume Up or Down) to wipe the cache partition or perform a Hard Reset. Factory Reset: gplus p10 firmware