Hawa mafundi wa simu wote, wooote, ni bonoko! Replacing batteries, display screens, charging ports, replacing almost everything on a gadget ya siku hizi, including TVs na sound bars ni kazi mtu anaweza kujifanyia. The real start ni kujua diagnosis. Kisha kujihami na the right tools. Then believe in your abilities, don't be like Trump, accept defeat ikiwa umeshindwa.